Can anyone tell what character this is/what show they are from?

I can't be 100% sure but your answer probably lies in here. Best I could do, gl
https://en.wikipedia.org/wiki/Ultra_Series

Post the tweet from where you saved it.
If it's set on private then post the text, that's the only way to figure out.

>>258869
Actually nevermind, I just found who he is.
He's Dark Zagi from Ultraman Nexus, I'd appreciate if you posted more pics of that cosplay.

File: C3Y7YrcUcAAQec4.jpg (178KB, 1200x1200px) Image search: [Google]

178KB, 1200x1200px

>>258871
Here's the twitter https://twitter.com/vggv0314

File: C3Y5HGEUoAAe_Bd.jpg (186KB, 1200x1200px) Image search: [Google]

186KB, 1200x1200px

>>258913

>>258842
ultraman of some sort. looks like a dark form of ultraman x or mebius. No offense OP but do you live under a rock? Ultraman is a beloved series kek.

A precise answer was already provided.

>>258913
Thanks man.