The Spongestalker, Demon of the Deep. (Stats in the comments)

Thanios, The mad mom from Titan.

The floating sign of the obvious and the unknown

MeeMaw Silvia: Keeper of the Ancient Rhododendron

War hamster, small but a thug

Iridiumatium, Servant of the undying flame

Emu girl, bringer of chaos and eater of bread crumbs

Fake Beard Guy, Advertiser of T Mobile (tutorial boss)

Apocrita: The One True Hivemind

Adakar and Solaris, the polar opposites.

Weeb God, guardian of Japan, protector of JPEG women.