Kourtney Kardashian and Travis Barker's Baby Boy's Full Name and Birth Date Revealed

The rocker has teased the baby boy's name throughout his wife's pregnancy

Kourtney Kardashian Barker and Travis Barker's son's name has officially been confirmed.

According to a birth certificate obtained by PEOPLE, the Lemme co-founder, 44, and the Blink-182 drummer, 47, have named their son Rocky Thirteen Barker. The news was first reported by The Blast. The couple's son was born on Wednesday, Nov. 1, at a hospital in Los Angeles.

Kardashian Barker is already mom to daughter Penelope Scotland, 11, plus sons Reign Aston, 8, and Mason Dash, 13, with ex Scott Disick.

Barker shares daughter Alabama Luella and son Landon, 19, plus stepdaughter Atiana De La Hoya, 24, with his ex-wife Shanna Moakler.

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Related: Pregnant Kourtney Kardashian, Travis Barker Channel Beetlejuice They Await Arrival of First Baby Together

While appearing on an episode of the One Life One Chance with Toby Morse podcast released on Halloween, Barker opened up about his wife's pregnancy, then seemingly revealing his son's name and due date.

Asked if there will be another Transplants album someday, a band that Barker joined in 2002, the famous drummer revealed that they were almost going to do a benefit concert but there was an important event that got in the way of the timing.

"There's a benefit for Hawaii that we were going to do, but it's the week that Rocky's due," Barker said, seemingly confirming the rumors that his baby will be named Rocky.

"Rocky Thirteen Barker," host Toby Morse said as the drummer repeated, "Rocky Thirteen Barker."

"Such a hard name, man," Morse told the musician.

"I was like he's going to come out of...my wife's vagina doing front kicks and push-ups and..." Barker teased.

It wasn't the first time that the name Rocky Barker has come up. Back in September, Kardashian Barker and her husband had a baby shower and may have accidentally revealed their son's name.

The couple threw a Disneyland-themed baby shower for their baby on the way, which was adorned with Disney delights at every turn. One photo shared, however, quickly began making the rounds on social media, showing that one of the decorations at the party was an apple tree, with a sign that read "Wishing Tree. The apple can be seen as a symbol of knowledge. Share your wishes and advice for Baby Barker!"

Guests were able to write messages to baby Barker and hang them from the tree when they were done. Fans zoomed in on a few pictures from the Wishing Tree and were able to read some of the messages, including one that seemed to reveal baby Barker's name.

Although the note could only partially be read, it appeared to say, "May Baby Rocky have the most ... life filled with love, happiness...," perhaps revealing that the couple's son would be named Rocky Barker.

In July, Barker teased that his future son could be named "Rocky 13" while chatting with his daughter Alabama, 17, in a GOAT Talk interview with Complex.

For the final question, Barker picked up a card that asked for the “GOAT baby name?"

Alabama was quick to answer and shared her penchant for lavish watch brands. “Audemars, Milan, f---ing Patek,” she told her dad while giggling.

"I like Rocky 13," Barker replied.

"That's so bad!" laughed Alabama.

"That's this name that's just been going through my head lately," Barker continued.

Thirteen shares another point of significance in baby boy's life, as Rocky is the thirteenth grandchild to join the larger Kardashian family. Khloé Kardashian referenced the fact in her TikTok post from the baby shower, calling the little one, "lucky number 13."

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