of those still living...
Kakashi: sharingan, massive arsenal of jutsu, intelligence
Madara: he's immortal, it's nearly impossible to even touch him with an attack, MS and rinnegan
Gaara: sand defense, he doesn't need seals so he can attack with no warning, he carries what must be over 500 lbs of sand on his back at all times (imagine how fast he would be if he took that off)
Kabuto: he commands an army of the dead, he seems to know how to doalmost everything, he just keeps getting stronger
Sasuke: MS, curse mark, sheer intensity
Naruto: kyuubi, sage mode, sheer intensity
Killer Bee: hachibi, the guy's f***ing huge and ripped, he can use 8 swords with massive skill and speed
Suikage: two elemental combination jutsu types, she commands the 7 swordsmen, able to recognize a trick
Tsunade: you have to kill her twice, chakra-enhanced strength, she could heal herself
Raikage: muscles like Killer Bee's, really fast, he has huge metal things on his wrists that look like they could weigh up to maybe 100 lbs