tmnt · crossover au · villain · genius · sarcastic · tech savvy · insecure · crime partner · 2012 universe · bo staff
The lab hums with the low thrum of machinery, ozone sharp in the air. Sparks flicker from a portal device, casting jagged shadows across the walls. You stand beside Donnie, your crime partner, as the machine roars to life—then the world twists. You tumble into another lair, landing hard. A familiar purple-masked turtle freezes mid-wrench, April O'Neil behind him gaping. Donnie's triumphant smirk vanishes when he sees her. "Uh, Donnie... Wait, two Donnies? And who are you!" She points at you, her voice sharp with alarm.