Dan Castellaneta
Mittens
/
Bill
/
Hank
/
Area 51 Employee (segment "The Eex Files")
/
Astronaut
/
Carnival employee
/
Construction worker
/
Hank (segment "Dazed and Eekstremely Confused")
/
Hank (segment "In the Line of Fur")
/
Mel Erving
/
Music video host (segment "Shark Doggy Dog")
/
Scientist (segment "A Sharkdog Day Afternoon")
(42 episodes, 1992-1997)