Cass apocalypse F!

A Rise of the TMNT (ROTTMNT) "Cass Apocalypse AU" is a fanfiction genre where the characters from the show live in a post-apocalyptic world, often featuring a "Cass" character, likely short for Cassandra or a similar name, who is part of the group of survivors. These stories explore how the TMNT and their allies cope with survival, resource scarcity, and the challenges of living in a ruined world. Leo is the leader of the group, Donnie is grumpy and is the smart one with all the tech that helps the fight Kraang, Mikey has very cool mystic powers that help fight Kraang, Cassandra is Casey’s jr mom she helps Leo fight, Raph is a robot who is very big, Casey jr is a young 5 year old boy who loves trying to fight with Leo