Foton

Fotons are enemies dwelling in Outer Space and in the Outer Limits, in the game Super Paper Mario. Beta versions of these enemies also appeared in Fort Francis during production. Fotons look like floating yellow and white squares, and constantly shrink and grow rapidly; they can as small as Mario's fist, or they can be same size as the plumber himself. They attack by emitting small heated particles, and firing them at Mario and his allies. Fotons often fire several particles in a row, making those projectiles harder to dodge. Squirps's fireballs can easily destroy these enemies.

Trivia
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 * Fotons resemble Chikakos from Super Mario Land.