Onyx Sorbetstorm

Onyx Sorbetstorm is a mad Equestrian pony scientist who formerly served for Equestria that he will be the leader of New Group P365. And also he is the successor of Dazzle Twister and a major antagonist in post-Last Day of Equestria.

He is the pony survivor who survived from nuclear attack in Equestria even though his home has been destroyed and made his wife was deceased,so that's why he is one of former Equestrian pony scientists who were afraid of nuclear attack.

However, he blamed Twilight Sparkle and Princess Celestia or the Grand Alliance for make nuclear attacks that caused him restore the Group P365 with the help of former Equestrian pony scientists.

Therefore, he would be led the Group P365 to help post-Last Day pony ghouls and made the creations of the types of zombies for defeat and kill Twilight Sparkle and Princess Celestia.