He appears in the films `` Ghostbusters '' and `` Ghostbusters II '' , in the animated television series `` The Real Ghostbusters '' , and later in `` Extreme Ghostbusters '' .
He appears in the movies `` Ghostbusters '' and `` Ghostbusters II '' , in the animated television series `` The Real Ghostbusters '' , and later in `` Extreme Ghostbusters '' .