
Acting
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.
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Jim Henson Idea Man
as Self (archive footage)

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

Sesame Street: Play All Day with Elmo!

Muppets Most Wanted
as Announcer (voice) (uncredited)
Jim Henson: Behind the Seams

Sesame Street: Singing with the Stars

Sesame Street: Elmo's Magic Numbers
as Count von Count

The Muppets
as Telethon Announcer (voice) (uncredited)

Sesame Street: Elmo's World: Penguins and Friends
as Channel Announcer

Sesame Street: The Best of Elmo 2
as Dr. Sigmund Sillystuff (voice)

Studio DC: Almost Live
as Floyd Pepper (voice only in the first episode) · 2 ep.

Sheep in the Big City
as General Public · 27 ep.

Sesame Unpaved
67 ep.

Muppets Tonight
as Statler / Jowls / Mama Fiama · 22 ep.

The Wubbulous World of Dr. Seuss
1 ep.
Sniz and Fondue
24 ep.

Secret Life of Toys
as Balthazar / Bratty Rat / Datz · 13 ep.

The Jim Henson Hour
12 ep.

Jim Henson's Little Muppet Monsters
13 ep.

Fraggle Rock
as Gobo Fraggle / Marjory the Trash Heap / Pa Gorg / Uncle Gobo Fraggle / Mervin Merggle / Fishface / Parrot / Architect Doozer / Feenie Fraggle / Radio Announcers (voice) · 96 ep.
The Muppet Show
1976