Mandi Bierly
January 27, 2014 AT 11:36 PM EST

Being Human co-stars Meaghan Rath (ghost Sally) and Sam Witwer (vampire Aidan) have had four seasons to get to know each other well, but taking our EW Pop Culture Personality Test together taught them a few more things. Watch the video below to see what all Rath confesses to, and to hear Witwer do an excellent impersonation of Back to the Future‘s Doc Brown. 

Being Human airs Mondays at 9 p.m. ET on Syfy.

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