Daigo Green and Daigo Red.
Super Sentai has been around for 37 years now, which is why it is no surprise that the franchise will feature heroes with the same name but they are totally different characters. This post compiles the heroes with the same names, with a little help coming from Wikipedia, Notepad and Ctrl+F (Find).
- Akira - AoRanger, DenziPink & Blue Mask
- Asuka - Shurikenger & AbareBlack
- Daigo - Shishi Ranger & KyoryuRed
- Daigoro - KiRanger II & DenziBlue
- Gai - Black Condor & GokaiSilver
- Gaku - FiveRed & GaoYellow
- Goro - Spade Ace & OhRed
- Hikaru - Pink Five, GingaYellow & MagiShine
- Joe/Jou - Yellow Lion & GokaiBlue
- Jun - DenziYellow & Yellow Four II
- Kai - GaoBlue & MagiRed
- Ken - FiveBlue & GekiChopper
- Kenta - Black Mask & MegaRed
- Kyosuke - Battle France & Red Racer
- Riki - Red Turbo & King Ranger
- Ryu - Dia Jack, DynaBlack & Red Hawk
- Shiro - Battle Kenya & Red One
- Sho - Change Gryphon & GoGreen
- Takeru - Red Mask & ShinkenRed
- Tatsuya - DenziGreen & TimeRed
- Yoko - Pink Racer & Yellow Buster
- Yosuke - DynaBlue & Hurricane Red
Akira Blue I, Akira Pink and Akira Blue II.
Now that the data has been properly arranged, it is time to analyze it. From a total of 22 names, only 3 of them were used thrice, namely Akira, Hikaru and Ryu. 4 names featured two heroes with the same color and these names are Akira, Goro, Jun and Takeru. 19 names featured heroes with the same gender, and these names are Asuka, Daigo, Daigoro, Gai, Gaku, Goro, Joe/Jou, Kai, Ken, Kenta, Kyosuke, Riki, Ryu, Shiro, Sho, Takeru, Tatsuya,Yoko and Yosuke, with Yoko being the only female.
