
Jerry Nelson (July 10, 1934 – August 23, 2012) was an American puppeteer, best known for his work with The Muppets. Renowned for his wide range of characters and singing abilities, he performed Muppet characters on Sesame Street, The Muppet Show, Fraggle Rock, and various Muppet movies and specials. Description above from the Wikipedia article Jerry Nelson, licensed under CC-BY-SA, full list of contributors on Wikipedia.
as Tiny Tim Cratchit / Jacob Marley / Ghost of Christmas Present / Lew Zealand / Ma Bear / Mouse / Mr. Applegate / Penguin / Pig Gentleman / Pops / Rat (voice)
1992as Floyd Pepper / Robin the Frog / Crazy Harry / Lew Zealand / Camilla / Dr. Bunsen Honeydew (assistant) (voice)
1979as Sergeant Floyd Pepper / Pops / Lew Zealand / Louis Kazagger / Bellhop Rat / Slim Wilson / "Dirty Bird" / Man in Park
1981
as Self (archive footage)

as Herry Monster / Various Characters

as Announcer (voice) (uncredited)

as Count von Count

as Telethon Announcer (voice) (uncredited)

as Channel Announcer

as Dr. Sigmund Sillystuff (voice)

as Herry Monster (voice)

as Count Von Count as the Counter-pillar (voice)

as Count von Count (voice)

as Sgt. Floyd Pepper (voice)

as Count von Count

as Count von Count (voice)

as Additional Muppet Performer (voice) (archive footage)

as Self

as Gobo Fraggle / Pa Gorg (voice)

as Self

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

as The Count / Herry Monster / Fat Blue (voice)

as The Count

as Green Anything Muppet Boy / Announcer (voice)

as Mr. Johnson (voice)

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

as The Big Bad Wolf / Boy (voice)

as Statler (voice)

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

as The Count

as Cactus / Accordion / Herry Monster

as Self

as Fred the Wonder Horse

as Lew Zealand / Floyd Pepper / Dr. Strangepork / Pops

as Two-Headed Monster / The Count (voice)

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

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

as Robin / Statler / Ubergonzo (voice)

as Floyd Pepper / Robin the Frog / Crazy Harry / Camilla

as Floyd Pepper / Robin the Frog / Crazy Harry / Camilla

as Count von Count / Jackman Wolf (voice)

as Count von Count / Mr. Johnson (voice)

as Various characters (archive footage)

as Seymore (voice)

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

as Carlos / Parker (voice)

as The Count

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

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

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

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

as The Amazing Mumford

as Self (archive footage)

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

as Count von Count / Herry Monster (voice)

as Robin the Frog / Emmet Otter / Gobo Fraggle / Bust of Beethoven / Frog (voice) (archive footage)

as Count(voice)

as Count von Count and Herry Monster

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

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

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

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

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

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

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

as Count von Count / Duck (voice)

as Robin the Frog (voice)

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

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

as Ralph Robin / Jack (voice)

as Bubba / Spot (voice)

as Self – Count van Count / Herry Monster / Fozzie Bear

as Fred

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

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

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

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

as Balthasar (voice)

as Gobo (voice)

as Mr. Johnson/Herry Monster/Townsperson (voice)

as 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

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

as Count von Count / Pumpkin Tarnish Brother (voice)

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

as Whatnot Monster (voice)

as Gobo Fraggle / Pa Gorg (Voice)

as Gobo Fraggle (voice)

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

as The Count (voice)

as Two-Headed Monster (voice)

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

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

as High Priestess / Dying Emperor (voice)

as Self

as Sergeant Floyd Pepper / Pops / Lew Zealand / Louis Kazagger / Bellhop Rat / Slim Wilson / "Dirty Bird" / Man in Park

as Lew Zealand / Pops / Dr. Julius Strangepork / Floyd Pepper (voice)

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

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

as Floyd Pepper (voice)

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

as Bread Roll in "Meal Break"

as Snuffy / The Count (voice)

as Floyd Pepper

as Dr. Jerry Nelson

as Robin the Frog

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

as Crazy Harry

as P. Fenton Cosgrove (voice)

as P. Fenton Cosgrove

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

as Biff/ Mr. Snuffleupagus/ Frazzle (voice)

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

as Robin / Featherstone (voice)

as Snivelly (voice)

as Thog / Zippity / Snivelly (voice)

as Featherstone / Stepsister #2 (voice)

as Monk

as Donder (voice)