Nobody remembers this one, and that's the crime. Gaki Deka swings at pure absurdist comedy without apology, a cop protagonist who transforms into random animals, a premise that could be a mess becomes the whole point, every episode a refusal to make sense when nonsense lands harder. The show knows it's ridiculous and commits so completely that the commitment becomes the joke. If you've been chasing that specific 80s energy where anime just did whatever made them laugh, this is the answer you stopped looking for.
Gaki Deka is a comedy about a boy who is also a police officer. His habits are anything but professional: he likes playing with his own testicles, he readily sentences people to death, and every so often he turns into a deer or an elephant. The TV series ran for 22 episodes in 1989, and its humor leans heavily into crude, ecchi territory, built on how absurd its young lawman is.