Marvin the Martian

Marvin the Martian, also referred to as just Marvin Martian, is an alien character from the Loony Tunes cartoons. He appears to wear what looks like a roman soldiers helmet with part of a broom and top. He often uses a Ray gun] as a weapon.

Role in Looney Tunes
Marvin Martian serves as an appearing, disappearing, and reappearing character, having appeared in numerous episodes starring Bugs Bunny, Daffy Duck, Marvin sometimes serves as a villain or antagonist in some episodes, as he has tried to blow up the Earth from his home planet several times.

He has other martians that look like birds as his minions and sometimes is seen with a green martian dog.