What is this tattoo style called?

[Joe]

So im looking to get my first tatto and i've fallen in love with a certain style of ink but im not sure what this particular art style is called, any ideas?

Here are some pics:
https://twitter.com/itstattoos/status/32...93/photo/1
https://twitter.com/itstattoos/status/32...69/photo/1 (the sleeve on the left)
https://twitter.com/itstattoos/status/32...10/photo/1
http://instagram.com/p/YgLKQGBWw2/
http://instagram.com/p/VzzVFvhW97/

[jamie]

Traditional. Bold lines, simple colors. Some is some newer age traditional, but this style is beginning to become more and more popular, I this style of tattoo myself.

[Sidni]

Traditional. Bold, black lines and a 'limited' color palette. I have a few tattoos like this And they're probably my favorite style