|Lab of The Fusionist|
|Universe Based On||Original|
|Introduced in Game Version||Future|
The mini-boss, Cacobirdo, is a fusion of the Birdo and Cacodemon creatures, which fires off explosive and regular eggs in increasingly difficult patterns. The regular eggs can be used against it, similar to the regular Birdo.
Below is a list of fused enemies encountered in the level.
- A Goomba and Venus Fire Trap fusion.
- A Tektite and Space Invader fusion.
- A Mouser and Angry Sun fusion.
- A Zinger and Octorok fusion.(this information might be incorrect)
- A Bone Piller and Pain Elemental fusion.
- A Lakitu and Tetris Block fusion.
- A Boogeyman and Rebel Army Soldier fusion.
- A Cacodemon and Birdo fusion, affectionately dubbed "Cacobirdo" (mid-boss)
- A Waddle Doo and Sniper Joe Fusion
- An Orbinaut and Roller Tank fusion.
- A Geega and Pipi fusion.