Paper Mario: The Thousand-Year Door identifying artworkRead the related referenceMarioPlayable hero. Mario: Paper Mario: The Thousand-Year Door original-era artwork.Read the related referenceKoopsShell-based partner. Koops: Paper Mario: The Thousand-Year Door original-era artwork.Read the related referenceYoshi KidNamed-by-player partner. Yoshi Kid: Paper Mario: The Thousand-Year Door original-era artwork.Read the related reference