Jiraiya Sensei Toad
Fukasaku was later present when the great toad sage called for jiraiya to tell him about his prophecy.
Jiraiya sensei toad. For once kashi knows too many techniques of jiraya during his first confrontation with team 7 he used toad summoning jutsu that and jiraya was the one who carried toad summoning contract with him all the time fo god sake in hi final battle he was fighting with elder toads alongside him. Jiraiya is the first to try and teach naruto to control his nine tails power and he partially succeeds in this ambitious mission. Jiraiya is a ninjutsu master famed as the toad sage 蝦蟇仙人 gama sennin because of his affiliation with the toads of mount myōboku.
When jiraiya accidentally reverse summoned himself to mount myōboku fukasaku greeted the young shinobi and stated that the great toad sage was expecting him. As the heir of the mighty ogata clan in kyūshū jiraiya fell in love with tsunade 綱手 a beautiful young maiden who has mastered slug magic. Some time after this fukasaku taught jiraiya senjutsu.