
Billy Hickam (ビリー・ヒッカム) is a supporting character in Mobile Suit Gundam Thunderbolt 2 and 1 other title, voiced in Japanese by Ryouta Oosaka. The series' music includes "Thunderbolt For Main Theme", "10 Iroaku feat The Yellow Tricycle - MOBILE SUIT GUNDAM THUNDERBOLT OST Season 2".