A least 2 bands use the name Dum Dum Boys:
1) A Norwegian rock band from Trondheim.
They started up in the late 1970s as a punk band under the name Wannskrækk. Wannskrækk released one of the most sought-after Norwegian punk seven inches called "Faen kuler treffer aldri riktig" in 1981, the year after the Wannskrækk 12" was released. Wannskrækk moved on and reinvented themselves with a new name and a somewhat new sound in 1985.