Hattori, apparently. It's not the right definition, but I'm not sure what else to call it. He always seems like an overexcited puppy when he can drag me somewhere.

...you'll probably never meet him. [Sighs and leans against the tree.] The 'real' Kudo can't show his face while 'Conan' is around, be it the body or personality. Can get close, but not quite.