Set after 'Mutagen Man Unleashed.' Determined to keep his promises to change Timothy and April's father human again, Donatello pushes himself beyond the point of exhaustion while working nonstop to create a retromutagen. It's up to Donnie's big brother, Leonardo, to stop the genius turtle from sacrificing himself and help him see his own self-worth.

Set during TMNT season two. After an argument with his brothers, Donatello gets a chance to see what the world would be like if he had never been mutated. ⭐️2017 TMNT Universal Reader's Choice Awards Winner⭐️

⭐️Winner of Funniest Comedy in the TMNT Universal Fanfiction Competition 2016⭐️ Mikey has really gone and done it this time. He's lost Raph's most prized possession, and if the hotheaded turtle finds out, Mikey's toast. Can Donnie figure out a way to save his little brother's shell? *Cover art by Flaux. *Author's Notes: Set before 'Slash and Destroy.' Prequel to my story 'Slash's Revenge.'

Set after 'Slash and Destroy.' Slash is out for revenge against Raphael for betraying him and he has decided the best way to hurt the turtle in red is through his brothers. Slash has his eyes set on one brother in particular and he will stop at nothing to even the score. ⭐️Nominated for the 2017 TMNT Universal Reader's Choice Awards⭐️

After a near-death experience, Donatello is reprimanded by his older brothers for his actions, leaving him to question both his self-worth and his place in a family of more skilled ninjas. As a result, the turtles may find out what life would be like if they lost a brother. *Cover art by Flaux. ⭐️TMNT Universal Fanfiction Competition 2016 Winner - Most In-Character Donatello (first place), Most In-Character Raphael (first place), Most In-Character Michelangelo (first place), Best Original Character (first place), Most Exciting Action/Adventure (first place), Most Intriguing AU (second place), and Most Intriguing Villain (third place)⭐️

Something's wrong with Donnie. They saved him, fixed him... But he's still not responding. [COMPLETED] Cover by my friend Hannah :)!

Just some headcanons I've found and wanted to share it with y'all!!

Set after 'The Fourfold Trap.' After escaping Karai's deadly traps, the turtles return to the lair, hoping to put the awful events of the night behind them, but there is one brother who cannot forgive himself for what has happened. Consumed by guilt, Donatello makes a rash decision that puts his life in grave danger. The brothers race to save him, but will they be too late? *Cover art by AyaShanti ⭐️TMNT Universal Fanfiction Competition 2016 Winner - Most In-Character Leonardo (first place) and Most Exciting Action/Adventure (third place)⭐️