|First Game||Paper Mario: The Thousand-Year Door (2004)|
|Appearances||Paper Mario: The Thousand-Year Door|
Super Paper Mario (on a Catch Card)
- "OH, PLEASE TAKE ME WITH YOU TO FIGHT HOOKTAIL! I'M BEGGING YOU, PLEASE!""
- ― Koops
Paper Mario: The Thousand-Year Door
In Paper Mario: The Thousand-Year Door, he first appears as a rather shy and timid fellow, however he joins Mario on his quest to Hooktail Castle in order to impress his girlfriend, Koopie Koo. After defeating Hooktail, the dragon spits out Koops' long lost father and both have a fond reunion. Koops then accompanies Mario and Goombella for the rest of their adventure.
After the events of the game, he starts making plans for his future, deciding to marry Koopie Koo and run for Mayor of Petalburg.
Super Paper Mario
As a partner, Koops can quickly retreat into his shell and then get kicked by Mario. During this phase, Koops will recover any items he touches and bring them back to Mario, making his ability much like the Boomerang from the Legend of Zelda series.
- Koops' hobbies is breakdancing, as suggested by his Stylish Moves, which includes spinning on his back or spinning upside down on his head. It is unknown that he learns how to breakdance prior to joining Mario on his quest.
- The name Koops is a combination of "Koopa" and "oops".
|Goombario · Kooper · Bombette · Parakarry · Lady Bow · Watt · Sushie · Lakilester|
|Paper Mario: The Thousand-Year Door|
|Goombella · Koops · Madame Flurrie · Yoshi · Vivian · Admiral Bobbery · Ms. Mowz|
|Super Paper Mario|
|Tippi · Thoreau · Boomer · Slim · Thudley · Carrie · Fleep · Cudge · Dottie · Barry · Dashell · Piccolo · Tiptron|
|Paper Mario: Sticker Star|
|Paper Mario: Color Splash|