Once on H.G. Island he has been the number #1 shunter and puller of the island. But then years later, he saw that Jenny and Puffer were doing all his work and everyone completely forgot all about him as they drew attention to Puffer and Jenny. Jealous of rage he attempts to get rid of them by blowing them up with nitro glycerin. But unknown to him, Daylight herd the whole entire thing and goes to warn Puffer and Jenny. So then, Puffer and Jenny fake their deaths with freights cars with the nitro glycerin. And Alter was banished from H.G. Island. but he vow to get revenge on them, later the world.
Alter made his first appearance to our heroes in "Thomas and Twilight Sparkle's Adventures of Teenage Mutant Ninja Turtles" where he joins Tirek and Shredder to quarantine New York, but he, along with Tirek and Shredder are defeated by the Turtles.
Later in "Thomas and Twilight Sparkle's Adventures of Star Wars Episode VII: The Force Awakens", he reveals he is a loyal apprentice to the Sith and has the 2 hench sisters named Samantha and Slate.
- Valmet M78
- PKM Light Machine gun
- Red Sith Lightsaber
- Alter made his first appearance in Thomas and Twilight Sparkle's Adventures of Teenage Mutant Ninja Turtles.
- Alter then guest stars in