Classification: Perfect Choujin
Homeland: New Zealand
Height: 178cm
Weight: 105kg
Choujin Kyoudo: 42,000,000 Power
Trademark Techniques: Learning, Big Baby Bomb, Kinniku Buster, Choujin Hanging, Kinniku Kaitai Gatame, Space Trip
First Appearance: Manga (2011) Chapter 1
Peek-a-Boo is a choujin that starts his matches as a baby, as Strong the Budo forces him to revert to a baby form after every match that he wins. He learns with the speed of a baby and is able to assimilate all of his opponent's moves with ease, but struggles to remember basic moves once he reaches an adult form.
(Source: Kinnikuman Wiki)