Any tattoo artists out there that can tell me what kind of style of tattoos these are called?

I have a bunch of random pictures but the gist of it is they're basically the same in a way where they have a bunch of really interesting random tattoos all over the place. Yet there

Any tattoo artists out there that can tell me what kind of style of tattoos these are called?

seems to be a type of theme related to it. Is there a name for this type of style?

Any tattoo artists out there that can tell me what kind of style of tattoos these are called?
Any tattoo artists out there that can tell me what kind of style of tattoos these are called?
Any tattoo artists out there that can tell me what kind of style of tattoos these are called?
Any tattoo artists out there that can tell me what kind of style of tattoos these are called?
Any tattoo artists out there that can tell me what kind of style of tattoos these are called?

Thank you!

Updates
10 mo
Thank you all for your help. Sorry I went on a mini vacation and forgot to select best answer. But I greatly appreciate all the time you put into answering my question. Thank you very much! :)
Any tattoo artists out there that can tell me what kind of style of tattoos these are called?
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