Board Thread:Theories and Speculation/@comment-26388300-20160524034125/@comment-1512913-20160525223424

Most powerful White Zetsu, could hold several powerful characters, Kage and Orochimaru included, in check. Let's not forget that Tobi is likely to also have the generic White Zetsu abilities, like sucking someone's chakra and turning into them, gaining access to their powers or unique to it, enveloping someone and being boosted like with Yamato, also Mayfly.