
Acting
Hugh Davidson is an American actor, writer, and producer, best known for his work on the Adult Swim television series Robot Chicken.
Description above from the Wikipedia article Hugh Davidson (actor), licensed under CC-BY-SA, full list of contributors on Wikipedia.

Robot Chicken DC Comics Special III: Magical Friendship
as Martian Manhunter / Tran-Zar (voice)

Robot Chicken DC Comics Special II: Villains in Paradise
as Martian Manhunter / Seahorse Leader (voice)

Robot Chicken: Christmas Specials
as Various (voice) (archive sound)

Born Again Virgin Christmas Special
as Elf Instructor / Soldier / Easter Bunny (voice)

Robot Chicken: Star Wars Episode III
as Alfonso / Max Rebo / Wampa (voice)

Dear Consumer (Robot Chicken's Full-Assed Christmas Special)
as James Dillingham Young / Snowflake (voice)

Robot Chicken: Star Wars Episode II
as Alfonso / Stormtrooper / Rebel Trooper / Ugnaught (voice)

Bewitched
as Network Executive

Nobodies
as Hugh Davidson · 24 ep.

Chelsea
as Self · 1 ep.

Benched
as Gabriel · 1 ep.

Mike Tyson Mysteries
as Rafael (voice) · 1 ep.

The Looney Tunes Show
as Additional Voices (voice) · 1 ep.

MAD
as Dr. Derek Shepherd / Carl Fredricksen / Gingerbread Cop (voice) · 1 ep.

Titan Maximum
as Mr. Hammerschmiddtt (voice) · 2 ep.

Young Person's Guide to History
as Thomas Jefferson · 2 ep.

Saul of the Mole Men
as Bertrum Burrows (voice) · 20 ep.

Robot Chicken
as Rubeus Hagrid / Private Pizza (voice) · 1 ep.