Red I

Red I is a sub-species of Mr. I being red instead of blue, the sub-species exclusively appears in Super Paper Mario.

In Super Paper Mario
The Red I first appears in the second room of the Castle Bleck Entry, where some Mr. Is along with some Red Is.

The Red I later appears in the Castle Bleck Foyer in the first room along with Zoing-Ongs, one Cursya and Blastbooxers.

The Red I also appears later in the Castle Bleck Inner Sactum.

Trivia

 * The Red I only appears in the the eight world of Super Paper Mario, Castle Bleck.