It' been echoed in here dozens of times, but this really is just a very sad and pitiable cow, not a funny one.
Based on what few videos I've managed to get through, he's a very mentally disabled and unhinged man who never got the proper care he needed to be at least remotely normal. He'd likely always be in need of a caretaker, but as it stands now he really needs some competent persons keeping an eye on him and possibly giving him the company he needs to get him from blasting senseless videos onto Youtube.
Sure it's interesting getting glimpses of what goes on in the mind of someone as unstable as he is, but I haven't gotten a single chuckle out of anything I've seen here. He needs help, his sister needs help. And that Carrie Law girl is hopefully keeping far, far away from him; he seems generally harmless but at the same time I fear what he'd attempt if she ever got back in contact with him, let alone tried to meet him in person.