Just a few Tats that look like they will cross over very soon! :-D
Metal Gear Mk. II lvl 10,983,632 owned by OpVines (Nightman)
Nefarious Plot lvl 9,987,352 owned by Nemerizt (Team Rocket)
Super Knock-Out Punch lvl 8,972,148 owned by SuperHD (Vectoidz)
Keep an eye out for some milestone breaking! Maybe TMW?