“Your imagination is a powerful thing. Coupled with some latent psychic powers, you gain the ability to kill people with your brain.”

The perk description is a reference to the character River Tam from the short-lived TV series Firefly, a powerful psionic who once threatened someone by telling them, “I can kill you with my brain.”

“An uncanny mutation allows you to charge playing cards with kinetic energy, turning them into explosive thrown projectiles.”

This perk is a reference to the character Gambit from the X-Men comic book series, published by Marvel Comics.

“*Snikt!* Listen, bub, you're the best there is at what you do, but what you do isn't very nice. You've been made into a living weapon, with metal claws grafted to your skeleton that instinctually unsheathe at the first sign of trouble.”

This perk is a reference to the character Wolverine from the X-Men comic book series, published by Marvel Comics.

“You prefer the preferred weapon of your enemy. You do 25% more damage with weapons of Communist origin, including all things Chinese, and anything chambered in 7.92x36mm.”

The perk description is a reference to the 1986 film Heartbreak Ridge, where Clint Eastwood's character fires an AK-47 over the heads of a squad of misfit soldiers, telling them, “This is the AK-47 assault rifle, the preferred weapon of your enemy. And it makes a distinctive sound when fired at you, so remember it.”