United Kingdom, April 13 -- Landon Barker adores his baby brother Rocky.

The 21-yeaar-old musician's dad Travis Barker welcomed his first child with wife Kourtney Kardashian into the world 17 months ago and although he was apprehensive about holding his younger half-sibling when he was a newborn, Landon is much more comfortable with Rocky now.

He told E! News: "I love baby Rocky. 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.

"He kind of knows my name already. He calls me Don."

Landon - whose mother is Shanna Moakler - admitted life in the spotlight can be tough for him and his 1...