His brows furrow at the comparison, and he mouths Herrick's--? rather like he's asking about that smelly second cousin nobody likes but who keeps showing up to family get-togethers anyway. (Which is mostly in reference to Herrick; he hadn't had occasion to pay Mitchell much attention before.)

Anyway: "I spilled a drink on myself. I doubt it was charming in the slightest."

(...He's not planning to sit here and needle Ivan forever, for the record, but he apparently feels the need to be clear about that. Look at all the seducing he isn't even attempting right now.)