Seems like just yesterday that Joseph Gordon-Levitt was playing lovable Tommy on 3rd Rock from the Sun. (Update: apparently it’s been 21 years since the show first aired.)

Now he’s a dad twice over. Gordon-Levitt and his wife Tasha McCauley welcomed their second son in June, their reps confirmed to People. The couple hasn’t shared the name of either of their two boys in order to protect their privacy.

Congrats, Tommy!