Claude is a professor at Easton Magic Academy and was in charge of the entrance exams that Mash took. He relishes in the praise he receives from others and hates being looked down upon, so when Mash is unimpressed by his actions, he grows a dislike for Mash. After this, Claude tries to fail Mash, but is unable to, as Mash passes every test and wins the liking of Wahlberg.