Recently, I asked the BuzzFeed Community which side characters they think overshadowed the protagonist, basically becoming the main character themselves.
Here are 19 of their top answers:
1. Steve Harrington from Stranger Things
2. Cassie Howard from Euphoria
3. Pacey Witter and Joey Potter on Dawson's Creek
4. Grogu (Baby Yoda) from The Mandalorian
5. Santana Lopez, Kurt Hummel, and Blaine Anderson from Glee
6. Regina Mills from Once Upon a Time
7. Barney Stinson from How I Met Your Mother
8. Mon-El from Supergirl
9. Ben Stone on Manifest
10. Iris West from The Flash
11. Troy Barnes and Abed Nadir from Community
12. Michelle Tanner on Full House
13. Seth Cohen from The O.C.
14. Darlene Alderson and Dominique Dipierro from Mr. Robot
15. Felicity Smoak from Arrow
16. Kramer from Seinfeld
17. Ichabod Crane (and his family) from Sleepy Hollow
18. Hawkeye from M*A*S*H
19. And finally, Elmo from Sesame Street
Did we miss any side characters that took over your favorite TV shows? Share your own examples in the comments!
Some responses have been edited for length/clarity.