Dodgy Dirk was one of the Muggles present fort he Ilfracombe Incident of 1932. All the other Muggles present had their memories wiped by Tilly Toke and her family. However, “Dodgy Dirk” is known to tell tales of a “dirty great flying lizard” that attacked him way back when. His story is not believed by other Muggles.
Dates fl. 1932
Blood Status Muggle
First Introduced Fantastic Beasts and Where to Find Them (book)