What happened to Buckethead?

Buckethead—the brilliant but reclusive shred guitarist—revealed in an interview that he has been diagnosed with a life-threatening heart condition, and that even simple tasks such as walking have become incredibly difficult for him. ... “They suggested I had a thing called an ablation, they go in and freeze your heart.

Is Justin Johnson Buckethead?

Some people have also speculated that he is Justin Johnson due to their similar hairstyles and body movement when performing live. Notably, each and every one of these was Jossed when Buckethead finally did an out-of-character interview. He's not any other famous person in disguise, he's just him.