Super Paper Mario/Villains

Count Bleck
The main villain of the game, he has many minions under him.

Nastasia
Count Bleck's assistant. She has hypnotic and brainwashing powers.

O'Chunks
A strong, but very unintelligent minion of Count Bleck.

Mimi
A shapeshifting cute girl/giant spider who is a minion of Count Bleck.

Dimentio
An evil magician, also a minion of Count Bleck, who controls his own dimension (Dimension D) and can create many copies of himself.

Mr. L
Is he Luigi? He builds giant robots in order to fight the heroes. He probably became a minion of Count Bleck through brainwashing...