Jak

Jak is one of the main protagonists in the Jak and Daxter series. He and Daxter have had a few cameos in the Ratchet & Clank series.

Ratchet & Clank: Going Commando
Jak and Daxter make appearances on posters throughout Allgon City on Planet Damosel.

Ratchet: Deadlocked
Jak is an unlockable character in this game.

Everybody's Golf 4
Jak is a playable character in Everybody's Golf 4. He is often seen with Daxter by his side.