Gaki Deka (OVA)
Big Brat OVA ／ Brat Cop OVA ／ Bratty Cop OVA ／ Gaki Deka (1989) ／ Gaki Deka OVA ／ がきデカ ／ がきデカ (1989)
Description
A boy/cop who liked playing with his testicles, sentencing people to death, and occasionally transforming into a deer or elephant. (Source: The Anime Encyclopedia)