What do Buffy the Vampire Slayer’s Willow, The L Word’s Alice, and the title character of Constantine all have in common? If you’re familiar with the concept of bi erasure, you know exactly where this is going: All three characters have clearly dated both men and women, but as author and activist Nicole Kristal’s memes about bisexual TV characters hilariously point out, not a single one has used the word “bisexual” on screen.