I'd personally go with wacker or wicker (wizard + hacker). There are plenty of fun connotations there, such as wicker making on think of basket weaving, ie weaving magic together, and wacker pointing both toward wacko (ie, a loony, such as our dear Douglas) and whack (ie, a strong hit, which anyone proefficient with magic hacking could give to a lot of people)
-People may die, but ideas are forever. Je suis Charlie.
-People may die, but ideas are forever. Je suis Charlie.