He's going to be living with two female hippos.
Happy has been moved from Washington's National Zoo to the Milwaukee County Zoo.
Happy arrived early yesterday morning after a 17-hour roadtrip on a flatbed truck.
Happy's home in Washington is being taken over by an expanded elephant exhibit.
Happy's new roommates are two female hippos, Patti and Puddles.
Milwaukee zoo officials hope Happy and his lady-friends will be making some hippo whoopie.