Gigabite

Gigabites are pale flying skulls found in Super Paper Mario during Chapter 7-1 (Subterranean Vacation) and 7-4 (A Bone-Chilling Tale). These extremely rare ghouls are strong, white relatives of the Megabites, with even the flames that constitute as their tail being white. Gigabites only have 6 HP, but they only take 1 point of damage per hit, no matter how powerful the attack is. As a consequence, six hits are required to defeat a Gigabite. Although they fly near the ceiling most of the time, they will swoop down into any intruder so as to ram them.

Related

 * Megabite
 * Dark Megabite

Trivia
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 * Their name is a pun on "gigabyte", a unit of memory amounting to one billion bytes, and the word "bite".