Watch the cast of X-Men: Days of Future Past play "Name That X-Man"

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Jul 4, 2015, 11:57 AM EDT (Updated)

The X-Men have a long and convoluted history, full of colorful characters. Some of them -- Wolverine, Storm, Magneto, Professor X, etc. -- have become veritable household names, especially thanks to their appearance on the big screen. Others ... well, not so much. Yeah, we're looking at you, Longshot.

With the cinematic realization of one of the most influential X-Men stories ever, Days of Future Past, getting ready to hit theaters, we wanted to see how deep the rabbit hole into the mutant universe goes for the people involved in making the film, so we caught up with several of the cast members to test their knowledge of some of Marvel's lesser-known genetically endowed superheroes. 

Watch below as Patrick Stewart, Ellen Page, Hugh Jackman, James McAvoy, Michael Fassbender and Peter Dinklage play "Name That X-Man." The results might not be so accurate, but they're at least entertaining.