There are a ton of amazing TV characters out there, and while some have been on shows since day one, others came along a little later. So, here are some of the best TV characters that showed up after the first episode and became memorable:
Some spoilers ahead!
1.Andrew Scott as the Priest onFleabag
![The Priest saying, "Cheers! May these be the worst of our days." And Fleabag turning to the camera and saying, "Don't know who this guy is"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/16/asset/ead5da5b1c7e/sub-buzz-798-1597680178-3.jpg?downsize=700%3A%2A&output-quality=auto&output-format=auto)
2.Maya Hawke as Robin Buckley onStranger Things
![Robin telling Steve, "Hey, dingus, your children are here" after Mike and his friends arrive at Scoops Ahoy](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/16/asset/7728dd5616e9/sub-buzz-776-1597680522-3.jpg?downsize=700%3A%2A&output-quality=auto&output-format=auto)
3.Noah Reid as Patrick Brewer onSchitt's Creek
![David telling Patrick that he is "oscillating" between two ideas for the name of his business](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/16/asset/877e8f9357ef/sub-buzz-794-1597680861-1.jpg)
4.Lamorne Morris as Winston Bishop onNew Girl
![Jess meeting Winston for the first time and scaring him](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/16/asset/c2c0a79f1d09/sub-buzz-801-1597680917-16.jpg)
5.Sophia Bush as Brooke Davis onOne Tree Hill
![Brooke telling Peyton, "So, that's the boy that beat Nathan? Well, he looks good from behind"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/16/asset/7728dd5616e9/sub-buzz-829-1597681997-10.jpg)
6.Eric Dane as Mark Sloan onGrey's Anatomy
![Mark meeting Meredith and hitting on her](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/17/asset/e4884ffc2a55/sub-buzz-924-1597683811-26.jpg)
7.Chyler Leigh as Lexie Grey onGrey's Anatomy
![Lexie meeting Derek in a bar and asking to buy him a drink](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/16/asset/a28abb50a157/sub-buzz-905-1597683452-9.jpg)
8.Samira Wiley as Poussey Washington onOrange Is the New Black
![Poussey trying to buy headphones for movie night, but they are sold out](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/19/16/asset/81d098e7de23/sub-buzz-2069-1597856267-1.jpg)
9.Misha Collins as Castiel onSupernatural
![Castiel introducing himself to Dean and saying, "I’m the one who gripped you tight and raised you from perdition"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/17/asset/ead5da5b1c7e/sub-buzz-966-1597684334-1.jpg)
10.Noel Fisher as Mickey Milkovich onShameless
![Mickey yelling, "Ian Gallagher, you messed with the wrong girl"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/17/asset/2d0cb8848093/sub-buzz-1063-1597686732-3.jpg)
11.Milo Ventimiglia as Jess Mariano onGilmore Girls
![Luke and Jess awkwardly greeting each other after Jess steps off a bus](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/7728dd5616e9/sub-buzz-1058-1597687218-3.jpg)
12.A.J. Cook as Jennifer "JJ" Jareau onCriminal Minds
![JJ introducing herself to Elle](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/2d0cb8848093/sub-buzz-1101-1597687614-2.jpg)
13.Emily Bett Rickards as Felicity Smoak onArrow
![Oliver in the IT department meeting Felicity for the first time](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/877e8f9357ef/sub-buzz-1106-1597687680-2.jpg)
14.Danai Gurira as Michonne onThe Walking Dead
![Michonne alongside her two armless walkers](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/17/asset/2d0cb8848093/sub-buzz-1067-1597686532-6.jpg)
15.Colin O'Donoghue as Killian Jones/Hook onOnce Upon a Time
![](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/c2c0a79f1d09/sub-buzz-1176-1597688728-5.png)
16.Alycia Debnam-Carey as Lexa onThe 100
![Lexa telling Kane and Jaha, while pretending to be a prisoner, "They want justice"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/ead5da5b1c7e/sub-buzz-1299-1597690065-40.jpg)
17.Joseph Morgan as Klaus Mikaelson onThe Vampire Diaries
![Klaus returning to his body in present day for the first time and saying, "Now that's more like it"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/8d882eaeb8d3/sub-buzz-1200-1597689492-39.jpg)
18.Harry Shum Jr. as Mike Chang onGlee
![](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/2d0cb8848093/sub-buzz-1258-1597689271-7.jpg)
19.Adam Scott and Rob Lowe as Ben Wyatt and Chris Traeger onParks and Rec
![Chris and Ben meeting Leslie and Ron and Chris asking for a tour](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/19/asset/7728dd5616e9/sub-buzz-1237-1597691618-28.jpg)
20.Cicely Tyson as Ophelia Harkness onHow to Get Away with Murder
![Ophelia meeting Bonnie and Frank for the first time and asking where Annalise was](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/c2c0a79f1d09/sub-buzz-1172-1597688520-1.jpg)
21.Katherine Barrell as Nicole Haught onWynonna Earp
![Nicole and Waverly meeting in Shorty's for the first time](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/21/asset/ead5da5b1c7e/sub-buzz-1680-1597700048-1.jpg)
22.Katie McGrath as Lena Luthor onSupergirl
![Lena explaining to Kara that she wanted to get out of Lex's shadow and make a name for herself outside of her family](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/19/asset/ead5da5b1c7e/sub-buzz-1393-1597692359-3.jpg)
23.Henry Ian Cusick as Desmond Hume onLost
![](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/19/asset/06cd913f1f35/sub-buzz-1333-1597692725-19.jpg)
24.Maya Rudolph as the Judge onThe Good Place
![Judge scaring Eleanor, Jason, Chidi, and Tahani while they are talking to a burrito](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/18/asset/2d0cb8848093/sub-buzz-1291-1597690358-14.jpg)
25.Gwendoline Christie as Brienne of Tarth onGame of Thrones
![Brienne asking Renly for a place in his Kingsguard](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/21/asset/7728dd5616e9/sub-buzz-1564-1597700422-10.jpg)
26.Tyler Blackburn as Caleb Rivers onPretty Little Liars
![Hanna and Caleb arguing and Hanna telling Caleb, "You know, you don't know the first thing about me"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/20/asset/b2b7ff2bd5d6/sub-buzz-1379-1597695599-9.jpg)
27.Vanessa Morgan as Toni Topaz onRiverdale
![Toni meeting Jughead at Southside High](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/20/asset/8d882eaeb8d3/sub-buzz-1418-1597695958-13.jpg)
28.James Marsters as Spike onBuffy the Vampire Slayer
![Spike arriving in Sunnydale and saying, "Home sweet home"](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/20/asset/b2b7ff2bd5d6/sub-buzz-1423-1597696583-3.jpg)
29.Amy Acker as Winifred "Fred" Burkle onAngel
![Fred warning Cordelia not to take the collar off or else her head will implode and they won't be able to talk anymore](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/20/asset/a28abb50a157/sub-buzz-1515-1597697324-1.jpg)
30.Aimee Garcia as Ella Lopez onLucifer
![Ella and Lucifer meeting at a crime scene for the first time](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/20/asset/37b202028575/sub-buzz-1509-1597697791-4.jpg)
31.And finally, Bob Odenkirk as Saul Goodman onBreaking Bad
![](https://img.buzzfeed.com/buzzfeed-static/static/2020-08/17/20/asset/e4884ffc2a55/sub-buzz-1553-1597697962-1.jpg)