In episode #158 of the Naruto Shippuden anime ... he would not have been able to properly use Sage Mode, as he discovered soon after that Kurama prevented him from merging with Fukasaku, who ...

Kurama's robot mode is based on Naruto's appearance from Naruto: Shippuden, even bearing a Hidden Leaf Village headband, with his beast mode being the Nine-Tailed Fox. Conversely, Gamakichi bears ...