Mutant Aliens

(2001) Sci-fi Animation directed by Bill Plympton
Mutant Aliens is a 2001 American adult animated science-fiction-comedy film directed and written by Bill Plympton.[1] Mutant Aliens has been shown at a number of animation festivals, but has never had a wide theatrical release.

Plot
After leaving his 5-years old daughter Josie, astronaut of the USA government Earl Jensen is stranded in space intentionally by the head of the Department of Space. Years later, he returns to Earth. To gain the people's trust, he tells the story of the time he has spent on a planet inhabited by humanoid aliens with animal body parts. Jensen later tells he has an interest in crossbreeding the aliens to create an army of mutants, in order to exact his revenge on the Department of Space head.

Production
The film was fully made at Plympton´s studio in New York City Plymptoons and is a spoof of B monster movies, featuring Plympton's own distinctive animation style consisting in hand-drawn animation made using colored pencils with backgrounds painted in brushes and gratuitous sex and violence.