Turtles of Grayskull

Turtles of Grayskull is a crossover action figure line that merges Masters of the Universe and Teenage Mutant Ninja Turtles into a unified fantasy-sci-fi world. Instead of simple mashups, the line reimagines Eternia through mutation energy and interdimensional conflict, creating redesigned characters that feel true to both brands while standing apart as entirely new interpretations.

The figures use a MOTU Origins–style foundation—bold proportions, fantasy armor, and retro sculpting—enhanced with mutant textures, corrupted details, and TMNT-inspired weapons. The Turtles become armored Eternian warriors, Skeletor gains ooze-infused power, and Shredder evolves into a mythic threat, giving the line a strong, cohesive identity.

Built with durable construction and retro-compatible scale, the figures display well alongside Origins and similar lines. Strong character redesigns, collector-friendly packaging, and dual-franchise appeal have made Turtles of Grayskull a standout modern crossover series with consistently high demand across major marketplaces.

This page serves as your complete Turtles of Grayskull checklist and database, making it easy to track waves, variants, release years, affiliations, and included accessories. Use it as your central guide for building a complete Turtles of Grayskull collection.

Wave 1 (2023)
Wave 2 (2024)
Wave 3 (2024)
Wave 4 (2024)
Wave 5 (2025)
Wave 6 (2025)
Build A Figure – Metal-Boto Assembly Guide

Skele-Shredder

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Exclusive: SDCC

Year Released: 2025

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UPC: 194735307586

Each interchangeable head marks a different phase of the Ooze mutation: one for shredder, one for skeletor, and one for the fully fused Skele Shredder.

Accessories: Comes with samurai-inspired throne with removable weapons. Includes three interchangeable heads and bone-and-steel ram staff. Throne holds two banners, representing Skeletor and the Foot Clan.

2-BOPSTEADY

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Wave: 4

Year Released: 2024

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UPC: 194735205608

Two-Headed Mutant Monstrosity!

Accidents happen when you mess with mutagen. In the case of Bebop and Rocksteady, it can happen more than once. When Shredder’s bickering lackies crash into the Ooze Pit, they fuse together to form the massive, muscle-headed 2-Bopsteady.

Metal-Boto Build-A-Figure Guide

Accessories: Sword, Spiked Chain Ball

Collector's Note: Includes Metal-Boto Parts 4/4: Left Arm, Metalhead Arm Attachments, Feet

Splinter-Skull

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Wave: 3

Year Released: 2024

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UPC: 194735205615

Spiritual Sensei!

After the Turtles vanished, Master Splinter entered a deep meditation. Time and space faded away, when he heard them from far, far away, Splinter let go of all attachment to his physical form and followed their calling. It took him to the first planet of the universe, Eternia, where he suddenly appeared at Castle Grayskull as the spiritual embodiment of the Power of Grayskull itself.

Metal-Boto Build-A-Figure Guide

Accessories: Includes Detachable Cape, Harness, Tunic, Magical Sword, and Combining Staff

Collector's Note: Includes Metal-Boto Parts 3/4: Torso, Shell

Moss Man (Mutated)

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Wave: 2

Year Released: 2024

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UPC: 194735190195

Mutated Master of Nature!

Eternia’s living manifestation of nature, Moss Man, joined He-Man to investigate the mysterious disturbance at the Swamp of Gangoon. After an ambush took him out of commission, Moss Man rose from what felt like a nightmarish slumber as a brainwashed abomination of all he once held dear.

Accessories: Moss Man has rotating tentacles, swappable man-eating fly trap head and twisted vine claw arm extensions.

Beast Man (ToG)

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Wave: 2

Year Released: 2024

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UPC: 194735190072

Undercover Henchman!

Beast Man did not trust the alien outsiders the moment the Foot set foot inside Snake Mountain. Rather than become Krang’s next mutated experiment, Beast Man escaped to strike a bargain with He-Man. What he found instead left him shell shocked.

Accessories: Beast Man features Samurai inspired helmet, turtle shell-enhanced shoulder armor and Samurai-style skirt armor which are all removable. His bladed whip and Samurai shield are ready to take on all attackers.

Shredder (ToG)

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Wave: 2

Year Released: 2024

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UPC: 194735190010

Evil Master of Ninjutsu!


All Shredder wanted to do was eliminate the Turtles once and for all. Unfortunately, Krang’s plan to harness the most powerful force in the universe backfired and flung them to Planet Eternia, where Shredder encounters an interesting new ally.

Accessories: Axe, Crossbow

Raphael (ToG)

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Wave: 2

Year Released: 2024

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UPC: 194735190188

Hard-Headed Sai Specialist!

The Turtles tracked Shredder back to Krang’s Technodrome. Raph charged headfirst into the fray, before a flash sent them to Eternia. Now adorned in Ram Man’s spare armor, Raph’s back to tracking Shred Head and looking for a way back home.

Accessories: Raphael has a clawed gauntlet accessory. A Sai weapon can be holstered on the turtle shell on his back, which can be removed and attached to his arm as a front-facing shield!

Ram Man (Mutated)

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Wave: 2

Year Released: 2024

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UPC: 194735190164

Mutated Battering Ram!

Ram Man did not hear his assailants attack. It was as if the wind suddenly choked him out. He awoke covered in Ooze, and he opened his mouth to speak only to hear a “Baa” come out of his mouth. All he knew was he had a master and his name was Krang.

Accessories: Battle Axe and Axe that combine at the hilt

Sla’Ker

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Wave: 2

Year Released: 2024

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UPC: 194735205585

Evil Cybernetic Snapping Turtle!

When Krang’s scheme to mutate He-Man required a test subject, Skeletor knew just who to use: He-Man’s robotic doppleganger, Faker. Covered in the same mutagen that created the evil Turtle Slash, the diabolical duplicate rose from the Ooze as the deadly robot Turtle, Sla’Ker!

Metal-Boto Build-A-Figure Guide

Accessories: Dual Spiked Blades, Metal-Boto Build A Figure Parts

Collector's Note: Includes Metal-Boto Parts 2/4: Waist, Legs and Head