Jugemu

Jugemu was one of Konohagakure's Gonin.travelled the world in search of knowledge that would help his friends, he would eventually pass on the knowledge to his final student, Toshie Senju

Personality
Jugemu is a serious yet feared man. Relentless in his desire to solve many world problem, However, he also has a fierce temper and will often scold his Jiraiya's carelessness if the battle goes badly.Jugemu is able to show more self-restraint in terms of his emotions being able to still act normally and rationally even when his former teacher the Third Hokage had died he simply stated that The Third has to Protect his village as a true shinobi and there no telling when a shinobi might die

Caring little about status or olden traditions, he judges men solely based on their achievements and skill. Jugemu treasures his comrade and will treat them with generosity. He's particularly close to Jiraiya, as they seem to instinctively understand one another despite their different personality.

Abilities
Like his fellow students of the Third Hokage, Jugemu was an exceptionally talented shinobi, hailed as one of the strongest ninja of his generation and one of the most powerful shinobi ever produced in Konoha. It wasn't until the Second Shinobi World War that his skills became widely known; dubbed by Hanzō as a Gonin, a title he shared with Jiraiya Tsunade Tomoe and Orochimaru. He was offered the position of Hokage three times and would have been offered it a fourth time had he lived longer Itachi Uchiha and Kisame Hoshigaki of Akatsuki believed that at best they'd get a stalemate if they fought Jugemu.