Mother, May I Sleep with Danger? and the upcoming short,
The Curse of Frank Sinatra.
2. He also has a podcast. In addition to acting, Matthew also co-hosts an investigative podcast,
Searching for Putty Man, which tells the story of the man behind some mysterious disappearances in Los Angeles' Griffith Park.
3. He's private on Instagram.
Cosmopolitanreports that Matthew only recently went private on Instagram. It is important to note, though, that both Billie's mom and brother follow him.
Instagram
Instagram
4. Fans think he had a small cameo in Billie's documentary. Near the end of Billie's Apple TV+ documentary,
Billie Eilish: The World's a Little Blurry, Billie receives a call. She tells the camera that the person calling is her "first love" and many think it was Matthew on the other end.