[Fred smiles at that anyway, because there honestly can be no greater joy than having a twin. He doesn't understand how single children live with themselves.]

Only the properly ambition use their magic for good, mate. [Definitely implying that canary-Transfiguration is the best use of his skills. The idea that other worlds have magic too is new to him, as is the idea of other worlds in general.] No offense intended, though. Muggle's just our term for non-magic folk. What sorts of abilities have you got back home?