John Watson, decendiente de los legendarios Grimm, se encuentra con su compañero de piso, Sherlock Holmes, que es una especie de wesen mestizo muy extraño y excéntrico, tanto por su personalidad y especie de wesen. Ambos tienen las aventuras más raras que cualquier Grimm haya tenido.El universo y personajes de HP se introducirán más spero les guste!, comenten y den ideas, good luck

Grimmlock (Grimm/Sherlock) Crossover. Detectives Nick Burkhardt and Hank Griffin investigate a series of incidents when Portland becomes host to a series of dangerous, unprovoked riots and an international serial killer. In London, Sherlock Holmes and John Watson have their own string of odd cases that eventually create a rift between Lestrade and Sherlock. Art by mella68 (AO3, LJ)

Sherlock is a Grimm who agrees to share a flat with John Watson, a recently returned soldier from Afghanistan. As John hangs out with Sherlock, they slowly begin to become friends. When Moriarty, a Mauvais Dentes, kidnaps John, Sherlock has to reveal his secret and risk losing his only friend. (No Grimm characters, but Grimm concepts).