Travis Barker’s Rare Photos of His, Kourtney Kardashian’s Son Rocky

In fact, Landon recently shared insight into the adorable bond he shares with his little brother.

“I love baby Rocky,” Landon told E! News’ The Rundown at Revolve Festival in April. “He’s to the size now where I don’t feel like I’m going to—I don’t know, I had this weird fear that was like, ‘Oh my god. He’s so fragile.’ But he’s a bit bigger now so I feel very comfortable holding him.”

Indeed, the two became so close that the 18-month-old has already started dishing out nicknames.

“He kind of knows my name already,” Landon gushed. “He calls me Don.”

And while Landon admitted that he can’t help but have a smile on his face when he’s with baby Rocky, Kourtney—also mom to kids Mason, 15, Penelope, 12, and Reign, 10, with Scott Disick—was very intentional about letting their kids take things at their own pace since the early days of blending her and Travis’ families together.