 The story line is that Gus only misbehaves when Drew is present. The  episode title is derived from "Michigan J. Frog", the singing frog  in Chuck Jones (qv) cartoon _One Froggy Evening (1955)_ (qv), in  which a man finds Michigan J., a singing frog, whose talent he hopes  to exploit for profit. His hopes are dashed when the frog refuses to  sing when anybody else is present. Michigan J. Frog, who was never  named in the original cartoon, eventually became the trademark  character for the WB television network. He also resurfaced in  Jones sequel, _Another Froggy Evening (1995)_ (qv).