Names：

Five Blue

（Ken Hoshikawa）
Status： Blue Warrior of Chikyuu Sentai Fiveman
Tags： Blue WarriorMaleChikyuu Sentai Fiveman
Affiliation： Chikyuu Sentai Fiveman
Brothers： Five PinkFive BlackFive YellowFive Red
Inherit： Blue TurboBlue Swallow
World： the World of Super Sentai
Popularity：0pB++

The second born. A physical education teacher skilled in judo. The second-in-command of Fiveman. He is extremely passionate in everything he does, relies more in the body combat than in weapons. Even taught one of his students the meaning of courage by defeating a foe without transforming.

He was notable person for making a new power-up called Five Tector with Gaku which protects them against heavy attacks. But, the early version of Five Tector had suffered much damages, which led to Ken's exhaustion. Earther G6 then picks the Proto Five Tector to be completed and refined for the better attacks.

The second born. A physical education teacher skilled in judo. The second-in-command of Fiveman. He is extremely passionate in everything he does, relies more in the body combat than in weapons. Even taught one of his students the meaning of courage by defeating a foe without transforming.

He was notable person for making a new power-up called Five Tector with Gaku which protects them against heavy attacks. But, the early version of Five Tector had suffered much damages, which led to Ken's exhaustion. Earther G6 then picks the Proto Five Tector to be completed and refined for the better attacks.