This would not be the end of him as he appears again near the end of the game with the rest of the gang throwing bananas into Tiki Tong's head and being turned into a hand. After Tiki Tong dies, it is presumed that he died too.
Super Smash Bros.
In Super Smash Bros. Ultimate, While Gong-Oh does not have a individual spirit, he does come with the other members of the Tiki Tak Tribe together as a neutral-type novice-rank spirit, giving the user a weakness to fire-based attacks when used. In their spirit battle, the player must defeat four Diddy Kong on the Kongo Falls stage, with no other gimmicks being involved during the fight.
Tiki Tak Tribe