This will tell you when you get every morph you can get and what it is.

Morph #1- Fantasy Knight. Saru-mon's Immobile castle stage.

Morph #2- Wild West Kid. A Fistful of Bananas stage.

Morph #3- Miracle Ninja. Stealthy Simian Ninja stage.

Morph #4- Genie Dancer. Apey Jones stage.

Morph #5- Dragon Kung Fu Fighter. Fists of Furry stage.

Morph #6- Cyber Ace. Future City Tomoki stage.

Morph #7- Super Monkey. After the first time you catch Specter.