|Class||King of The Sea|
|First Appearance||Clubhouse Games|
|Family and Relations|
|Octo Jr. (Little Brother)|
|The Clubhouse Pets|
It is unknown about his history.
Octojack is the host of Blackjack. While playing the game, He'll hum the tune from the game or sit down.
His room is underwater with coral for his bed. He also has a little brother named Octo Jr.