He-Man: Might of Greyskull

 is an American animated action-adventure television series based on  by Mattel, being developed by TBD. It is produced by Mattel Creations, DreamWorks Animation Television and and it airs on Netflix from December 19th, 2019 until April 15th, 2020 and on  since then.

Synopsis
The prince of Eternia gains a sword that allows him to become a mighty warrior out to stop the forces of Skeletor and other threats.

Main

 * Prince Adam/He-Man (voiced by Jack DeSena) - the prince of Eternia who gains the power of Greyskull through his magic sword as he heads to fight villainous TBD.
 * Cringer/Battle Cat (voiced by Jeff Bennett) - TBD
 * Duncan/Man-At-Arms (voiced by Matthew Mercer) - King Randor's most trusted soldier who is given Adam's mentorship on his TBD.
 * Perkaedo/Man-E-Faces (voiced by Neil Patrick Harris) - a friendly warrior who can switch his faces with each face granting him different abilities as he uses it to TBD.
 * Teela (voiced by Kari Wahlgren) - the Sorceress' younger clone who was adopted by Man-At-Arms and TBD.
 * Orko (voiced by Richard Steven Horvitz) - an imp-like creature sent by the Sorceress to make sure that Adam TBD.

Supporting

 * Teela Na/Sorceress of Castle Grayskull (voiced by Grey Griffin) - a sorceress whose soul is bounded to Castle Greyskull and is TBD.
 * King Randor (voiced by Mark Hamill) - TBD
 * Queen Marlena (voiced by Kath Soucie) - TBD
 * Stratos (voiced by TBD) - TBD
 * Man-Ram (voiced by TBD) - TBD
 * Fisto (voiced by TBD) - TBD
 * Zodak (voiced by TBD) - a pure neutral being who TBD.
 * Adora/She-Ra (voiced by Olivia Olson) - Adam's sister who TBD.
 * Adora/She-Ra (voiced by Olivia Olson) - Adam's sister who TBD.

Antagonists

 * Prince Keldor/Skeletor (voiced by Troy Baker) - a charismatic dark overlord who was once a TBD.
 * Morgan Powers/Evil-Lyn (voiced by Catherine Taber) - a TBD sorceress who TBD.
 * Raqquill Rqazz/Beast Man (voiced by Dave Boat) - TBD
 * Mer-Man (voiced by Dante Basco) - the crown prince of an underwater kingdom beneath Eternia who grows an intense rivalry with He-Man, being obsessed with taking him down.
 * Faker (also voiced by Jack DeSena) - the most successful attempt to clone He-Man who grows obsessed with replacing He-Man.
 * Two Bad (voiced by John DiMaggio and Tress MacNeille) - two warriors who were fused into one brutal TBD.
 * Trap Jaw (voiced by Nolan North) - a cyborg warrior who TBD.
 * Spikor (voiced by TBD) - TBD
 * Tri-Klops (voiced by TBD) - TBD
 * Whiplash (voiced by TBD) - TBD
 * Clawful (voiced by TBD) - TBD
 * Webster (voiced by TBD) - TBD
 * Jitsu (voiced by James Sie) - TBD
 * Sludgar (voiced by TBD) - a giant sludge monster who is capable to grow larger the more things it consumes, answering for Skeletor.
 * Stingra (voiced by Ashley Johnson) - a scorpion-like assassin who is hired by Skeletor to poison He-Man.
 * Scare Glow (voiced by Robert Englund) - a demonic being who resides in a dream realm and is capable of using the dreams of TBD.
 * Hordak (voiced by Tim Daly) - the leader of the Evil Horde who is extremely vicious and is obsessed with gaining power.
 * Shadow Weaver (voiced by Susan Eisenberg) - TBD
 * Catra (voiced by Erica Lindbeck) - an enforcer of the Evil Horde that wears a mask that allows her to transform into a werecat as she has a weird relationship with Adora.
 * Entrapa (voiced by TBD) - a mentally insane scientist working for the Evil Horde who has enhanced herself with robotic parts to both make herself more powerful and remove any form of humanity she had left.
 * Grizzlor (voiced by TBD) - TBD
 * Scorpia (voiced by TBD) - TBD
 * Leech (voiced by TBD) - TBD
 * Imp (voiced by TBD) - TBD
 * Leech (voiced by TBD) - TBD
 * Imp (voiced by TBD) - TBD

Episodes
See List of episodes.

Trivia

 * The series is unrelated to  since the developers wanted to include their versions of She-Ra and Catra later on without causing canon incoherence with the former as well as to give a massively different world compared to it, aside from the show mainly targeting a male audience in contrast with the female and LGBTQ+ one targeted by Princesses of Power.
 * However, they admit they might include some allusions to it as a way to attract fans of the show.
 * There are various redesigns of characters, including:
 * Skeletor wears a silver skull mask and has a purple cloak surrounding all of his body.
 * Mer-Man is more human-like and is TBD.
 * Mer-Man is more human-like and is TBD.
 * Mer-Man is more human-like and is TBD.