Gerard sped up and caught William's wrist before he could wave his demon-baton around again.
"What," he gritted out, eye twitching, "is that terrible stick and why does it make that fucking awful noise? Because the next time I hear it, I am going to set that thing on fire, swear to Merlin." He paused, cocking his head and taking in William's outfit. "How does this -- thing -- even go with your costume? I mean, your hat is awesome, don't get me wrong. You're that Muggle detective, right? Conan Holmes or something?" Gerard frowned for a moment, thinking. "Doesn't he have hounds or something? Baskethounds? Anyway, he definitely doesn't have banshees-sticks, I know that much."