Gender: Male. Height: 246m. Appearance: Entire body is bone. Face and body are cracked. Deep scar on the left eye. Instead of eyes, there are just black holes. The real eyes are inside the mouth and on the neck. Teeth are square-shaped. Strong bite force. Right wrist is broken. Body is rusted, covered in moss and vines. Pupil color: Red. Agile. Bone color: Rusty gray. Speed: Fast. Strong grip. Abilities: Emitting red lasers, Red Black Flash, Teleportation. He is the boss appearing in Part 89 of the Orb stage. Personality: Grumpy, blunt, cold, taciturn, calm, capitalistic.

Gender: Female. Size: 200m. Appearance: Entire body is bone. Eyes glow orange. Bone color: White. Dust on the face. Teeth are square-shaped. Strong bite force. Good at swimming. There is an orange gem inside the mouth. Abilities: Spitting meteors, Lasers, Chasing. Has no leg bones, so she crawls. A boss appearing in Geometry Dash. Weaker than Juggernaut Skeleton. An orange aura emanates from the body. Personality: Sly, laughs a lot, very shy.

Gender: Male. Size: 230m. Appearance: Entire body is bone. Eyes are glowing Red + Yellow + Purple. Teeth are sharp. Bone color: Dirty white. There is a red gem in the mouth. Abilities: Red laser, Red meteor, Summoning red minions. Large mouth. Violent. Fast. Intelligent. Speed: Fast. Strong grip. A red aura emanates from the body. Sharp claws. Boss of Death Metry. Personality: Quiet, chic, grumpy.

Gender: Male. Personality: Noisy, grumpy, swears a lot, tsundere. Appearance: Entire body is golden bone. Eyes are glowing Yellow + Amber. Teeth are square-shaped. Has gold teeth. Strong grip. Cannot swim. Abilities: Gold beam, Gold meteor, Gold laser, Summoning gold minions. Wears a golden crown with a ruby in the center. A yellow aura emanates from the body. Boss appearing in Gold Metry. Size: 247m. Strong grip. Agile. Intelligent. Acts like he is the king.