I know it may seem foolish to some but not having any hobbies is really killing me inside. Aside from the fact that I can see people WITH hobbies happy and having fun doing those things they love and depressing me, I'm also bored out of my mind. I literally feel like I'm going crazy. Can peeps help me out with some really cool or really interesting hobbies I can get into? I'd appreciate it!

there've been lots of hobbies that I had and sort of phased out of, sort of didn't. as in, I don't do them much anymore but I haven't completely forgotten them. (I kinda have the same problem as you haha) but I'll just list them here, maybe one of them will interest you?

>baking
>skateboarding (never got the hang of any tricks but the ollie, but I can at least ride one now lmao)
>yoga
>learning MBTI, enneagram, or other personality theories
>stargazing (like, I'd learn constellations and stuff? idk)
>writing (was just word-vomit at first, eventually became short stories)
>writing tv show reviews/commentary
>photography (nothing fancy, I'd literally just take phone-quality pictures of anything I found vaguely aesthetic)
>sewing
>crocheting

No hobbies? Too sad.
By the way, how did you find this website?
Haven´t you watched Durarara!! first?
Isn´t watching anime already kind of a hobby?

What I want to say is, you don´t need a fancy hobby which causes everyone to say "Wow, what an interesting person you are, you have such a nice hobby!", as long as you think it´s fun, it is a good hobby.
A hobby is – sorry for destroying your thread – sadly something you need to discover by yourself.
Try out different things and you´ll find what fits you most.
>>2 already gave a fine selection.

Anyways, I don´t believe you lack hobbies, I´d rather guess you might lack social connections.
Find some friends and they might share their hobbies with you.

If you watched the drrr!! Anime you can collect manga. Pick a up card game(ygo for example).

Anime is a good hobby. Anime connecting people~

In my opinion hobby is what you enjoy doing in you free time. So it can be anything even sleeping can be your hobby if you enjoy it.