Klaus Heisler

Klaus Heisler is a fictionalcharacter 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 German whose brain has been placed in a goldfish's head. Once an East GermanOlympicski-jumper, he is now the Smith family's hapless and frequently mistreated goldfish.