This character is a quiet smart guy or girl who is physically unimposing and soft-spoken, but with Hidden Depths of formidable physical and practical skills. In other words, Brains and Brawn with the Brains being the key. The trope is the inverse of Genius Bruiser. A Badass Bookworm looks like your standard geek, but then displays a surprising amount of physical prowess, whereas a Genius Bruiser looks tough, then unexpectedly shows off an intellectual side. Examples of Badass Bookworm include: