Kooper

Kooper is a character on The Paper Mario Super Show. He is the second character to join the Mushroom Pack, as the general. He appears in the following episodes:

Bowser is back (debut)

Kooper vs Black Ninjakoopa

Fransisco From Far Away

The Koopalings Bodacious Return

Midbus Returns

F.U.F.F. is Born (mentioned)

The Quest for the Fire Stone

The Monster under Toad Town

The Paper Mario Super Show Movie part 1

The Paper Mario Super Show Movie part 2

Positions on the show
General of the Mushroom Pack

Kooper's Transformations
Fire Kooper

Relations with other characters
Mario

Mario and Kooper get along good on the show. They fought enemies alongside each other in the game Paper Mario, so they are good friends.

Luigi

Kooper doesn't hang out with Luigi that much, so their relation is unknown.

Peach

Kooper is quite loyal to Peach, and worked as royal guard at her castle until Toadsworth got back from his vacation. Kooper and Peach are good friends, so their relation is pretty good.

Vivian

Vivian and Kooper share good chemistry on the show. Kooper even got kissed by Vivian at the end of the episode Bowser is back.

Bowser

Bowser and Kooper share bad chemistry on the show, since Kooper helps Mario to defeat Bowser and foil his evil schemes.

Trivia
Kooper seems to be sensitive about insults, as he got mad at Black Ninjakoopa for calling him a pushover in the episode Kooper vs Black Ninjakoopa.

His current voice, personality and abilities are an impression of Espio the Chameleon.