Kooper appears no different than an enemy Koopa. Kooper appears as a Catch Card in Super Paper Mario, found on the thirtieth floor in The Flopside Pit of 100 Trials. Though, his sprites can be found within the game's coding.

Kooper was going to make an appearance in Paper Mario: The Thousand-Year Door but however, was scrapped for unknown reasons. With glee, Kooper thanks Kolorado and happily rushes back to Peach's Castle. Kolorado objects to it and tells Kooper, turning down an invitation is impolite as it is a golden opportunity for him. Kooper at first states that he can't abandon Kolorado and his companions on the expedition. Parakarry who hurriedly manages to catch up with the group before they make their leave off Shiver City interrupts by delivering a letter to Kooper about an invitation to Princess Peach's party.

They are seen on an expedition together adventuring to the Crystal Palace as Kooper knows his way there and back. In the Epilogue of Paper Mario, Kooper has finally joined Kolarado and his companions on his quest for archeological findings.

Once Mario gets the shell back for him, Kooper is one of Mario's partners. He tells Mario that his blue shell had been stolen by a Fuzzy and Mario promised to get it back for him. Mario manages to get the shells back for the Koopas and eventually finds Kooper outside of his fuzzy-ransacked home. Mario and Goombario enter Koopa Village only to find that Fuzzies have attacked the village and stealing all the Koopas of their shells. 1.3 Paper Mario: The Thousand Year DoorР”В«efore Mario & Goombario enter Koopa Village, Merlon states that they will encounter a koopa with a blue shell, inferring to Kooper.

Super mario thousand year door rom