Jensen Ackles Plays Cowbell at 'Supernatural' Convention with Jared Padalecki!

Jensen Ackles rocks out with a cowbell while on stage at Creation Entertainment’s Salute to Supernatural Convention held at the Rio Hotel and Casino on Saturday (March 15) in Las Vegas, Nevada.

The 36-year-old actor was joined at the event by his longtime on-screen brother Jared Padalecki.

“Hey yall lets do this! #IWantMyNerdHQ ! Its always one of my FAVORITE parts of comic-con and I wanna do it again!” Jared tweeted that day.

According to Variety, Pretty Little Liars alum Bryce Johnson has just been cast in the upcoming Supernatural spin-off, Supernatural: Bloodlines, which will air on The CW as a backdoor pilot on April 29.