Diedrich Bader  (b. Dec. 24, 1966) is an American actor, voice actor and comedian who is best known for playing Oswald Lee Harvey in The Drew Carey Show and for voicing Batman in Batman: The Brave and the Bold, the Rat King in The Penguins of Madagascar and Hundun in Kung Fu Panda: Legends of Awesomeness.

Bader performs The Missing Link in Monsters vs. Aliens.


  • Batman and the missing link are 2 of the roles shared by Bader and Will Arnett.