The 17-year-old actor was born with Cleidocranial Dysplasia.
The 'Stranger Things' cast proved they're style icons in the making while at the 2020 SAG Awards.
WARNING: We're about to openly reference the biggest surprises, shocks and spoilers from 'Stranger Things' season three!
The stars of 'Stranger Things' are revealing everything they can about season four, plus their dreams storylines for what's next!
Before we time-jump into the summer of 1985 in Hawkins, we need to take a look back at the biggest plot twists from season two.
'Stranger Things' fans, do you copy? We have a special #ThrowbackThursday treat for you!
In March 2016, ET sat down with young Finn Wolfhard, Gaten Matarazzo and Caleb McLaughlin for their first 'Stranger Things' interview.
We know it's only been three years since the Netflix hit premiered, but seriously, they were so tiny in 2016!
Millie Bobby Brown and Gaten Matarazzo reached out to the little boy on Twitter.
The 15-year-old actor opens up about his very rare genetic condition on Wednesday's episode of 'The Doctors.'
Way to end the night!
'Stranger Things' stars Gaten Matarazzo, Caleb McLaughlin and Sadie Sink talked about their wishes for Season 3 at the 2018 SAG Awards.
The young stars from the popular Netflix show dressed to impress on Sunday.
ET spoke to the actor about where things might pick up after season two at Sunday night's 2017 American Music Awards.
