Close, but not quite. Monkey Island art was done on the PC version of Deluxe Paint, where the filename would have been "guybrush.lbm". "guy.brush" never existed

Close, but not quite. Monkey Island art was done on the PC version of Deluxe Paint, where the filename would have been "guybrush.lbm". "guy.brush" never existed, as per Ron Gilbert himself: https://grumpygamer.com/guybrush_fact_fiction https://grumpygamer.com/guybrush_fact_fiction