By Kate Ward
Updated October 11, 2011 at 06:34 PM EDT

Johnny Knoxville is now dad to baby no. 3. The Jackass star and wife Naomi Nelson welcomed a daughter, Arlo, Oct. 6, according to Knoxville’s Twitter. “mommy & baby r doing great!!” he wrote.

Knoxville has two other children: 20-month-old Rocko Akira with Nelson, and 15-year-old Madison with ex-wife Melanie Clapp.