good luck :-)

Maybe if confronting this guy alone is too much, maybe you could try to confront him with friends that want to help you.

And who said you needed to fit in the unoriginal and boring group of people that society calls "normal"? (I hope nobody did because they should get punched for saying that) Being different than the majority is an awesome feeling imo! I have to agree it has his downsides like it can be harder to have friends who have the same interests, there can be moquery, etc. But still, I'm proud of it because I can find people who accepts me how I am, people who have the same interests and it makes me feel special and more interesting. Being ourselves will always makes us more happy than pretending to be someone else.You shouldn't regret being different, you should embrace it instead.

And there will always be at least one person to judge you for who you are. But as long as you're not hurting someone/yourself, he dosen't have the right to command the way you should live or be.

aw matw, if i was there for you, I'd help you. I was pretty badly bullied when I was younger and anxiety sucks.
And I also agree, maybe try to confront him with someone. It doesn't mean you're weak, you're human and anxiety is so stupid it makes you worry about EVERY LITTLE THING! Please take my word for it and don't let get you, friend.

And also, don.t be scared to be yourself, i agree with the comment above^^
I was mocked a bunch, I was pretty weird compared to everyone else I knew, I liked different things and I always tried to find myself in others, find someone I could say was like me, and when I couldn't it made me depressed and anxious. Don't try to fit in. Eventually, people will accept you, and eventually seems like a long time to be appreciated, I know, but I swear, as people get older maybe, they begin to change and get less ignorant or stupid... You're a really nice person and people will have to see that! It's so bothersome that you have so much sh it happen to you all the time ugh

yeah same here when i have classmates that are mean it's hard for me to standup for myself especcially when they say my art is ugly and i'm way better at drawing on paper than i am on colors so it really hurt to hear that so, my senpai's are always sticking up for me. It's nice but i wish i could do it myself it also doesn't help that i'm not good at comebacks. So thats me. I guess I just have to live with it.

Aah……This picture is very cute…!! I like so much!!

^I definitely agree w above about getting your friends involved. It's easier to win w an army rather than 1 on 1, yknow?
If that isn't really an option, I'd also find a way to confront him when he's alone. People honestly have no idea how to act when they're by themselves, esp the type of person this dude sounds like. When people make fun of someone it's usually so they can have people laugh w them? If that makes sense? It's like a stupid bonding thing. I guarantee he has no idea what to do when people aren't agreeing and laughing with him. I bet if you went up to him, looked him in the eye and went "Hey fu,cker yknow what??" he'd be really uncomfortable and might actually stop. You could also try talking to the teacher, if you're comfortable w that. I know some teachers are pretty apathetic, so if you think you're teacher will do something about it (i.e. tell this guy to shut up sometimes, or separate you guys, etc) though, that's a definite option.
Last piece of advice is don't be an a,ss back to him. It doesn't do anything. I've tried to fight back by saying s,hit back to them, and honestly it just makes them bitter and gives them more ammo to bully you with. If anything, I'd say to be really nice to this dude. Go out of your way to find considerate things for him whenever you see him. It's really hard to bully someone who's always looking out for you.
Anyways, you've got this, so chin up. At worst, it'll be a crazy learning experience that you'll kick a,ss in. Wish ya luck