Despite its name, the Romaji summoners, who have undergoes and survived the Blood-Doku Implantation from Blood Spiked Iguanas , would perform the sequence for this jutsu and end with special handsign for lizard, not crocodilian, to increase density of their skin (doesn't include bones) and gain medicore scale appearance (not too dramatic). This defensive is called Crocodilian, because their skin seem to look like crocodilians, rather than lizards. NOTE(S): This jutsu is strictly used by the one who survived the 'bite' from Blood Spiked Iguanas. While the one who survived the 'bite' from Blood Tyrant Pythons won't able to use this jutsu. The density of the Romaji summoner's skin depend on their chakra reserve and stamnia. The Romaji clan (not human) name this jutsu Crocodilian Hard Skin, no