Jerry Nelson

Sesame Street

Aloysius Snuffleupagus

The Muppet Show

Floyd Pepper, Dr. Julius Strangepork, Pops, Robin the Frog, Lew Zealand, Louis Kazagger, Chicken, Crazy Harry (voice)

Fraggle Rock

Gobo Fraggle / Marjory the Trash Heap / Pa Gorg / Uncle Gobo Fraggle / Mervin Merggle / Fishface / Parrot / Architect Doozer / Feenie Fraggle / Radio Announcers (voice)

Muppets Tonight

Statler / Jowls / Mama Fiama

The Wubbulous World of Dr. Seuss

Sesame Unpaved

The Muppet Movie

Floyd Pepper / Robin the Frog / Crazy Harry / Lew Zealand / Camilla / Dr. Bunsen Honeydew (assistant) (voice)

The Jim Henson Hour

The Muppets: A Celebration of 30 Years

Camilla / Count von Count / Crazy Harry / Dr. Julius Strangepork / Lew Zealand / Robin the Frog / Louis Kazagger / Sgt. Floyd Pepper / Two-Headed Monster (Frank) / Gobo Fraggle

The Muppets

Telethon Announcer (voice) (uncredited)

The Muppet Christmas Carol

Tiny Tim Cratchit / Jacob Marley / Ghost of Christmas Present / Lew Zealand / Ma Bear / Mouse / Mr. Applegate / Penguin / Pig Gentleman / Pops / Rat (voice)

Sheep in the Big City

General Public

NBC Experiment in Television

Monk

Peter Alexander präsentiert Spezialitäten

Self

The Dark Crystal

High Priestess / Dying Emperor (voice)

Jim Henson's Little Muppet Monsters

The Great Muppet Caper

Floyd Pepper / Pops / Lew Zealand / Crazy Harry / Louis Kazager

Jim Henson Idea Man

Self (archive footage)

Muppets Most Wanted

Announcer (voice) (uncredited)

Studio DC: Almost Live

Floyd Pepper (voice only in the first episode)

Secret Life of Toys

Balthazar / Bratty Rat / Datz

Sniz and Fondue

Muppets from Space

Robin / Statler / Ubergonzo (voice)

The Earth Day Special

Robin the Frog (voice)

Sesame Street: Sing Yourself Silly!

Count von Count / Duck (voice)

It's a Very Merry Muppet Christmas Movie

Robin the Frog / Statler / Announcer / Pops / Floyd Pepper

The Muppets Take Manhattan

Camilla / Lew Zealand / Floyd / Bear / Chicken / Crazy Harry / Dog / Dr. Julias Strangepork / Granny / Penguin / Pops / The Count (voice)

The Muppets Go Hollywood

Various Muppets

Sesame Street | All-Star 25th Birthday: Stars and Street Forever!

Count von Count / Herry Monster (voice)

The World of Jim Henson

Self (archive footage)

Follow That Bird

Count von Count / Herry Monster / Additional Muppets (voice)

I Love Muppets

Self

Elmo's Christmas Countdown

Count von Count (voice)

Sesame Street: What's the Name of That Song?

The Count

Sesame Street Jam: A Musical Celebration

The Count / The Amazing Mumford / Herry Monster / Biff (voice)

The Muppets - Studio DC - Almost Live

Sgt. Floyd Pepper (voice)

Sesame Street: Elmopalooza!

The Count / Two-Headed Monster (1) / Biff (voice)

The Very Best of the Muppet Show

Floyd Pepper / Robin the Frog / Crazy Harry / Camilla

CinderElmo

Count von Count / Mr. Johnson (voice)

Out to Lunch

Count von Count / Herry Monster / Mr. Snuffleupagus (voice)

The Adventures of Elmo in Grouchland

Count / Pestie / Grouch Mayor / Grouch Cop (voice)

A Muppet Family Christmas

Robin the Frog / Camilla the Chicken / Floyd Pepper / Lew Zealand / Pops / The Count / Gobo Fraggle / Herry Monster

The Muppets Celebrate Jim Henson

Robin the Frog / Lew Zealand / Floyd Pepper / Announcer (voice)

Hey Cinderella!

Featherstone / Stepsister #2 (voice)

Sesame Street: Elmo Saves Christmas

Count von Count / Mr. Johnson / News Flash Announcer (voice)

Kermit's Swamp Years

Statler (voice)

Sesame Street: Quiet Time

Two Heated Monster / "In My Book" Singer (voice)

Muppet Classic Theater

Robin the Frog / Montague the Rat / Big Bad Wolf (voice)

Sesame Street: Put Down the Duckie

Pretty Great Performances Announcer/Mr. Johnson/Count Von Count (voice)

Sesame Street: Let's Eat! Funny Food Songs

Mr. Johnson (voice)

Gonzo Presents Muppet Weird Stuff

Whatnot Monster (voice)

Muppet Treasure Island

Statler / Blind Pew / Mad Monty / Floyd Pepper / Lew Zealand / Tomato / Pirate / Skulls / Trelawney's Butler / Screaming Cat (voice)

The Christmas Toy

Balthasar (voice)

Don't Eat the Pictures: Sesame Street at the Metropolitan Museum of Art

The Count (voice)

Sesame Street: Elmo Says BOO!

The Count

Best Ever Muppet Moments

Self

Sesame Street: Play All Day with Elmo!

Sesame Street: Bert & Ernie's Word Play

Kermit the Forg / Kermit the Gorf / Kermit the Grof / Green Anything Muppet in Fat Cat (voice) (archive footage)

A Walking Tour of Sesame Street

The Count / Mr. Johnson / ... (archive footage) (uncredited)

Holiday Greetings from 'The Ed Sullivan Show'

Robin

Getting Ready to Read

"OP" Family Song / Farley / Two-Headed Monster (voice)

The Cube

Monk

The Great Santa Claus Switch

Thog / Zippity / Snivelly (voice)

The Very Best of the Muppet Show: Volume 3

Lew Zealand / Floyd Pepper / Dr. Strangepork / Pops

Pure Goldie

Snivelly (voice)

Muppet Music Moments

Self

Sesame Street: Monster Hits!

Herry Monster (voice) / Frazzle (voice) / Maurice Monster (voice) / Two-Headed Monster (left half) (voice) / Announcer (voice)

The Muppets Go to the Movies

Lew Zealand / Pops / Julius Strangepork /Floyd Pepper (voice)

Sing! Sesame Street Remembers Joe Raposo and His Music

Self / Count von Count / Two-Headed Monster (voice)

Of Muppets & Men

Self

Julie Andrews: One Step Into Spring

Floyd Pepper

Sesame Street: Elmo's Musical Adventure: The Story of Peter and the Wolf

Two-Headed Monster / The Count (voice)

Christmas Eve on Sesame Street

Snuffy / The Count (voice)

Muppet History 101

Emmet Otter's Jug-Band Christmas

Emmet Otter / Weasel / Doc Bullfrog / Melissa Rabbit / Yancy Woodchuck (voice)

Sesame Street: Singing with the Stars

Sesame Street Stays Up Late!

Count(voice)

Sesame Street: Learning About Letters

Mr. Johnson/Herry Monster/Townsperson (voice)

Kagayake! Gorō Mapetto Geba Geba 90-pun!

Jim Henson: His Sesame Street Story

A Sesame Street Christmas Carol

Additional Muppet Performer (voice) (archive footage)

Sesame Street: Elmo Visits the Firehouse

The Big Bad Wolf / Boy (voice)

Julie on Sesame Street

The Bob Hope All Star Christmas Comedy Special

Robin the Frog

The Muppets at Walt Disney World

Camilla the Chicken / Ma Bear / Floyd Pepper / Robin the Frog (voice)

Sesame Street: Elmo's Magic Numbers

Count von Count

Sesame Street: Sing Along

Rocky Mountain Holiday with John Denver and the Muppets

Sgt. Floyd Pepper / Robin the Frog / Camilla the Chicken / Slim Wilson (voice)

Sesame Street: Sing, Hoot & Howl with the Sesame Street Animals

The Big Bad Wolf / Farmer Brown / Boy (voice)

The Muppet Musicians of Bremen

T.R. the Rooster / Caleb Siles (voice)

The Very Best of the Muppet Show: Volume 2

Floyd Pepper / Robin the Frog / Crazy Harry / Camilla

The Song of the Cloud Forest

Ralph Robin / Jack (voice)

Tales from Muppetland: The Frog Prince

Robin / Featherstone (voice)

Muppet Sing Alongs: Billy Bunny's Animal Songs

Fraggle Rock: Live by the Rule of the Rock

Gobo Fraggle / Pa Gorg/ Marjory the Trash Heap (voice)

Jim Henson: Behind the Seams

Sesame Street: 25 Wonderful Years: A Musical Celebration!

Count von Count and Herry Monster

Fraggle Rock: Scared Silly

Gobo Fraggle / Pa Gorg (Voice)

Sesame Street: Cookie Monster's Best Bites

Green Anything Muppet Boy / Announcer (voice)

Sesame Street: Elmo's World

Cactus ("Books" Segment) / Accordion / Herry Monster ("Music" segment)

Lighthouse Island

Fred

Jim Henson's Tales from Muppetland

Muppet Sing Alongs: Treasure Island

Mad Monty / Boar / Lew Zealand / Shrimp / Whatnots (voice)

Down at Fraggle Rock

Gobo Fraggle / Marjorie the Trash Heap / Pa Gorg / Self

Sesame Street: Fiesta!

Carlos / Parker (voice)

Dog City: The Movie

Bubba / Spot (voice)

The Royal Variety Performance 1977

Sesame Street: Elmo's World: Wild Wild West!

Fred the Wonder Horse

John Denver and the Muppets: A Christmas Together

Camilla / Lew Zealand / Robin the Frog / Sgt. Floyd Pepper (voice)

Big Bird in China

Two-Headed Monster (voice)

Sesame Street: Bedtime with Elmo

Herry Monster (voice)

Sesame Street: A Celebration of Me, Grover

Mr. Johnson / Fred the Wonder Horse / Maurice Monster (voice)

Sesame Street: Sleepytime Songs & Stories

Count von Count / Smartest and Fastest People (Bedtime Stories and Songs) / Moonshine Singer (Sleepytime Songs & Stories) (voice)

The Bells of Fraggle Rock

Gobo Fraggle (voice)

Muppet Guys Talking: Secrets Behind the Show the Whole World Watched

Self

The Muppet Introduction

P. Fenton Cosgrove

The Best of Kermit on Sesame Street

Various characters (archive footage)

Muppet Video: The Kermit and Piggy Story

Muppet Picker Upper

P. Fenton Cosgrove (voice)

Sesame Street: Elmo's World: Wake Up with Elmo!

The Count

Muppet Studios Presents: You're the Director

Dr. Julius Strangepork / Robin the Frog / Lew Zealand (voice)

Sesame Street: Learning About Numbers

Count von Count / Pumpkin Tarnish Brother (voice)

Jim Henson: Commercials and Experiments

Sesame Street: Elmo's World: Penguins and Friends

Channel Announcer

Fraggle Rock: Dance Your Cares Away

Gobo Fraggle / Pa Gorg (voice)

Sesame Street: Abby in Wonderland

Count Von Count as the Counter-pillar (voice)

Muppet Gimme a Break

Bread Roll in "Meal Break"

Sesame Street: Imagine That!

The Amazing Mumford

Sesame Street: Kids' Favorite Songs

Count von Count / Jackman Wolf (voice)

Sesame Street- Do you know where Ernie lives?

Self

Sesame Street: Count on Sports

Count von Count

The Reindeer

Donder (voice)

Sesame Street: Rock & Roll!

Jackman Wolf/Little Jerry/Count von Count/Farley (voice)

The Vent Event

Dr. Jerry Nelson

Fraggles Look For Jobs

Gobo (voice)

Sesame Street: A Magical Halloween Adventure

Sesame Street: The Best of Elmo 2

Dr. Sigmund Sillystuff (voice)

Behind the Scenes in Frogtown Hollow

Self

Elmo's World: Family Feature

Cactus / Accordion / Herry Monster

Elmo's World: Family Feature (Starring Elmo and Friends!)

The Count