The title "Smiley Spring" is unofficial because the subject's actual title is unknown.

Smiley Spring is an enemy that appears in Neo Bomberman.

Smiley Spring moves at a normal pace, constantly pursuing the player. Once it has sustained 2 HP of damage, it begins to move very quickly. It will harm the player on collision.

In Stage 5, Smiley Spring only turns upon colliding with a wall or bomb.