This is the list of playable charcters in Super Mario Bros. Koopaling Chaos.
|Picture||Name||Special Power||Description||Unlocking Criteria|
|Mario||Mega Fireballs||Mario, the main hero, is out again to save Princess Peach. He is the main enemy of Bowser, while also out to get the Koopalings and Bowser Jr.||Default|
|Luigi||Poltergust 3000||Luigi is also out to save a princess, but this one is Princess Daisy. He also doesn't like Bowser or the Koopalings, but he mostly hates the villains King Boo and Tatanga.||Default|
|Goombario||Headbonk||Goombario is Mario's biggest fan. He is mostly out to save Baby Mario, as he looks mostly like Mario, and he wouldn't want Mario to fail!||Default|
|Toadette||Propellor and Parashoot||Toadette wants to save the mayor of the Mushroom Kingdom: Toadsworth! She also is good friends with the two princesses, so she's out to save them, too!||Default|
|Starlow||Shooting Super Star||If you tell Starlow the bad news, she will join you! She's just out to help Mario and defeat Bowser.||Find all the Star Coins in World 1.|
|Goombella||Spikey Slingshot||Goombario has a best friend. This is her. She just wants to help him, that's all.||Find all the secret gates in World 1.</table>|