I just found someone posted a Gundam Tattoo in gundam group in facebook. As, always I share it once I find it interesting. Thanks to Rowell Tirona for this idea.
Here are some of them, found the others in google images!
Musha Gundam tattoo anyone?!
How 'bout this SD RX-78-2 and SD Zaku II?
another Strike Gundam
Gundam Deathscythe TV (started to look like Hell Custom)
Heavyarms Custom EW
Gundam Mk. V
Unicorn Gundam Unicorn Mode with flowers around it can never be better!
A Wing Gundam on your chest maybe?