/cgl/ - Cosplay & EGL

>was Luke Skywalker from New Hope (the white outfit)
>"are you a ninja Anon?"
>was a ninja with black face mask (not ski mask) with all-black getup
>"are you a terrorist Anon?"
>was Marty McFly, even made a hoverboard with a real deck and a lot of tape
>"are you a frat guy/skater Anon?"

I've decided to give up this year and just go as something generic, a college professor like Indy in pic related. Would a tweed jacket, khakis, red bow tie (self-tie of course) and a tobacco pipe be enough to achieve this? What are some of the worst guesses I can expect?