MarioWiki:Sandbox

Species-Infobox
Magikoopas, or theoretically, Blue Magikoopas, are Koopa Troopas that can cast spells. They wear blue robes and hats resembling the garb of a wizard. They appear in the Super Mario World series, Super Mario RPG: Legend of the Seven Stars, Mario & Luigi: Superstar Saga, and the Paper Mario series.

I'd go with the upper-left one.