Because you like Alan Zaveri in Russian Doll

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

A self-proclaimed diva, Mercedes Jones is on the hunt for a stage worthy of her talents. See them in Glee.

David Rose likes his rose chilled, his linens pressed, and his family quiet. See them in Schitt's Creek.

Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.

Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.

Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.

Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

Audrey Horne may seem inquisitive and charming, but she can turn on a dime. See them in Twin Peaks.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.