|Partners in Time Enemy
||Stats in parentheses are from the Japanese and European versions of the game if they differ from the original American stats.
Koopeleons are Koopas that live in the Toadwood Forest in Mario & Luigi: Partners in Time. They resemble a Koopa and chameleon hybrid with a blue shell, green skin, large eyes, and a long, curled tail. Koopeleons have the ability to turn invisible. To attack, a Koopeleon runs into its foe, delivering damage. This attack can be dodged and countered with a jump attack. If damaged, a Koopeleon becomes visible. Koopeleons take critical damage from fire attacks.
Koopelons have their own sub-species, which are called Gold Koopeleons.
 Names in Other Languages
|Portmanteau of "Nokonoko" (Koopa Troopas) and カメレオン chamereon (Chameleon).
||From Koopa and camaleón (Chameleon)
||Pun on "Koopa" and "Camélion", the French word for "chameleon"
- ^ TMK Mario & Luigi: Partners in Time Enemy Guide. Some stats were changed from the original American version of the game to the Japanese and European versions.