Mervin the Martian is a character in Looney Tunes: Acme Arsenal.
Mervin the Martian is Marvin's long-lost clone-father. Being Marvin's grandfather he his the youngest of the ancestors. Mervin has interests in cloning, improving his fashion sense and wondering why all the women-folk left Mars for Venus. Despite being a martian, Mervin wears old fashion clothing but still has a black face.
Looney Tunes Acme Arsenal