Klaus Heisler

Klaus Heisler
American Dad! character
Promotional Image
First appearance"Pilot" (2005)
Created bySeth MacFarlane
Mike Barker
Matt Weitzman
Designed bySeth MacFarlane
Voiced byDee Bradley Baker
In-universe information
Full nameKlaus Heisler
Ace McNasty (legal American name)
Species
GenderMale
Family
HomeLangley Falls, Virginia
NationalityGerman

Klaus Heisler is a fictional character from the American animated television series American Dad!. He is voiced by Dee Bradley Baker and first appeared on television, along with the rest of his family, when American Dad! initially premiered on Fox on February 6, 2005, with the series' pilot episode. Klaus is a man whose brain has been placed inside of a fish's body. Once an East German Olympic ski-jumper, he is now the Smith family's hapless and frequently mistreated goldfish.