In "The Big Bang Theory", what is Howard Wolowitz's nickname in World of Warcraft?

In the TV show "The Big Bang Theory," Howard Wolowitz's nickname in the World of Warcraft game is "Wolowizard" because it is a playful combination of his last name, Wolowitz, and the word "wizard." His friends, aware of his insecurities about not having a doctoral degree like them, gave him this nickname to tease him. It is a light-hearted way to acknowledge his love for the game while poking fun at his ambition to be seen as intellectual and accomplished like his friends.