Fireball are commom enemy.
They like Spark from Super Mario World.
like the Iceballs.
Iceball are icey Fireballs.
Fireballs are orange red, Iceball are light blue.
Ice Snail/Ice Slug is impervious to Iceballs also ice things but not that friendly ice snail, Full Metal Snail/Full Power Slug is invincible to Fireballs but does not work in snailiad 4, 6 and 8 but there a metal abillby in snailiad 10 that do not got attack by all enemies even fires.