Yes, Dex on Sex Education Is the Same Guy Who Played Robin Arryn on Game of Thrones

If you're watching season two of Sex Education on Netflix and wondering why new character Dex looks so familiar, you're not alone. Actor Lino Facioli probably doesn't have a name you recognize on its own, but he's actually been on your screens for years. Beginning in 2011 and continuing on and off through 2019, Facioli played Robin Arryn, the Starks' young cousin with an unhealthy attachment to his mother on Game of Thrones.

Facioli was barely 11 when he first appeared on Game of Thrones as the spoiled Robin, then reappeared for a brief arc in 2014. It was his final appearance, however, that had him briefly going viral. Robin was part of the noble council summoned at the end of GOT's 2019 finale, representing his house of Arryn. His appearance caused quite a stir among viewers, who did a double take at the now-19-year-old actor who had last been seen playing a bratty tween version of Robin.

Born in Brazil but raised in London, Facioli has largely stuck to smaller projects other than Game of Thrones throughout his child and teen actor days. He made his film debut in the 2010 comedy Get Him to the Greek, then tackled several short films and Brazilian fantasy movie The Boy in the Mirror. Now, he's playing Dex, a brainy quiz-bowl team member with major ambitions and a little bit of an attitude, and fans have a lot to say! Keep reading for some of the best reactions Twitter had to Facioli's appearance on Sex Education season two, currently streaming on Netflix.