What costume should Rob wear for Halloween? (hahahahhahaha)

This Siri-siri Twilight foto contains berpakaian seorang, guaman, seluar guaman, pantsuit, orang baik berpakaian sut, penekan seluar, legging, leging, alas kaki, meliputi pusingan, pakaian luar, overclothes, and outerwear. There might also be seluar, slacks, seluar panjang, and pakaian riadah.