Johnny Knoxville in 2005. (STUART RAMSON/AP)

The MTV ringleader and wife Naomi Nelson welcomed a baby girl on Oct. 6, Knoxville announced on Twitter:

“Her name is Arlo & mommy & baby r doing great!!”

This has not been an easy year for the 40-year-old actor. Knoxville lost his friend and “Jackass” co-star Ryan Dunn earlier this year.

The couple, who wed last year, have a toddler son named Rocko. Knoxville has another daughter, Madison, from a previous marriage.

Related content:

Kristin Davis adopts a daughter

Jenna Fischer welcomes baby Weston

Mike Myers welcomes baby Spike

Emily Deschanel welcomes son Henry

January Jones welcomes baby boy