アトムキャット

Tsugio has no friends at school and no defense against the boys who pick on him, and reading Tetsuwan Atom with his father is the one good part of his week. When he takes in an abandoned kitten he names it after the robot to talk his family into keeping it. Then a pair of aliens honeymooning on Earth work on the animal until it can talk and fly and hit like Atom himself. Tsugio is sworn to keep that quiet, which gets harder once demon cats and a crime syndicate notice the cat.