The Official M&L3 Ripping Project *WARNING CONTAINS SPOILERS*

[Crazy Koopa]

I'd say the list needs an update.

Playable Characters:
Mario (Overworld / Battle) - Croshi (Overworld) / SuperMarioMaster (Battle)
Luigi (Overworld / Battle) - Croshi (Overworld) / ???
Bowser (Overworld / Battle) - Ridge (Overworld and Battle)
Bowser (Giant) - Ridge

Specials / Battle:
Sweets Basket
Bob-ombs
Magikoopas (Caged and in Battle) - Croshi?
Bros. Badges (Word of advice for this one, Luigi must obtain the Rainbow Rank to earn the final badge.)

NPC's:
Yellow Star / Chippy
Hemoglobin and Others (AKA the various Block NPC's in Bowser)
Princess Mucus (AKA the lady who gives you the Bros. Badges)
Ibikki (AKA the ghost in the Giant Clown Robot Tower)
The Fortune Teller Toad
Blocats - redblueyellow
Bowser's Assitants: the Goomba, Shy Guy, and Paratroopa - Ridge
Fawful UFO

Enemies:
Caged Bob-omb
Energy (Atk, Def, and Spd Monster)
Fawful Robots - Chaofanatic

Bosses:
Wiggler - Mageker? / Ridge?
Bowser's Castle
Metaboss - Larry
Ibikki's Tower (AKA Giant Clown Robot to some)
Fawful Train
Bowser's Memory M&L / Bowser's Memory M&L X (and possibly the Yellow Vaccine Star Piece) - Ridge
Ice Metaboss
Fawful's Castle
Dark Bowser (Overworld, though the battle is missing somethings...)
Bowser / Bowser X - Ridge

Others:
Vaccine Star / Miracle Vaccine
Items / Key Items