Frank Welker

Frank Welker is known on Futurama primarily for providing both the animalistic and speaking voices of Nibbler. He is famous as a voice actor for his ability to imitate (or invent) nearly every animal sound imaginable. His longest running role is that of Freddy from the Scooby-Doo show, which he has played in most versions and even parodies and cameos. He also played some characters from "Animaniacs". Both Billy West and John DiMaggio have referred to him as a "voice acting god" in the commentaries.

He has done over 1,200 voices during his career. He has provided voices for 8 of the original 14 Decepticons in The Transformers, including Megatron and Soundwave,, , , Swoop Fan & Additional Voices in Star Wars, Outpost commander in and , ,  in ', as well as  and the  in '.

In "Lrrreconcilable Ndndifferences", he has a cameo as his head in a jar in the Head Museum.

Major characters

 * Nibbler (Various)
 * Seymour Asses (4ACV07/BBS)
 * Fleb (BBS)

Recurring characters

 * El Chupanibre (2ACV01/4ACV09/4ACV16)

One-time characters

 * Man-eating anteaters
 * Abraham