What costume should Rob wear for Halloween? (hahahahhahaha)

This series twilight foto contains berpakaian orang, jas, celana jas, celana panjang, orang berpakaian, perapi celana, legging, leging, meliputi leg, penutup kaki, pakaian luar, overclothes, and pakaian. There might also be celana panjang longgar, celana panjang, celana panjang, memakai waktu luang, and olahraga wear.