Trivia Time!
Every champ in the game gains AD per level, while AP requires the purchase of items. Out of the entire Champion pool, two get AP by default, and one of them still technically require an item.
gains AP from
which is technically an item, but he starts with it for free since it's his passive. The other, who has AP by default with no items required; the only Champion with that honor... the often shunned and overlooked
. Galio gets AP from MR, and like all Champions he has a base MR, which means he also has a base AP; the only base AP in the game. Good job, Galio.