Angry Sun

Angry Sun is an enemy in the  series.

Character description
Angry Sun first appeared in Super Mario Bros. 3, in the second world of the game. He appeared in the background and then attacked by swooping downward in a U-shaped arch. He follows the player until the end of the level or if he gets down with a Koopa shell.

In Super Smash Flash 2
In Super Smash Flash 2, it was set to appear in Adventure mode. It could only be found under insane difficulty in the level.