"Jimita" is credited for Sound Program in Sonic 1 and thanks to the secret credits their full name is revealed as 久保田 浩. Those kanji translate to Hiroshi Kubota, and a Hiroshi Kubota is later Special Thanked in Sonic CD's credits, and credited as a sound programmer in Ristar. So we can with high confidence conclude that Jimita's real name is Hiroshi Kubota. I was reading his Sega Retro article, however, and the picture caught my eye because the kanji for the name were different. (Of course, it's not impossible that someone can change how their name is written, but it is suspicious.) So I looked up that Hiroshi Kubota, and found his biography and profile at the Yamaha Music Foundation site. Using Google Translate to read his bio, it says he was born in Obihiro, Hokkaido ans it also has a conspicuous lack of any mention of Sega, Sonic, programming, or the "Jimita" moniker, but goes on about his albums, singles, and other accomplishments. This other profile says he was born in 1952. In addition to the different name, I find it just a little strange that a musician with a successful career that started in 1984 would find themselves years later programming for a Sega Genesis game, but again - nothing's impossible. However, the Sega Retro article also linked to jimita.com, website for Jazz Pianist Hiroshi Kubota. Here, the "Jimita" moniker is embraced, of course. And then when we Google Translate the profile page, it says he was born in Kitakyushu, Fukuoka Prefecture Yahatanishi District in 1965. His timeline page mentions joining Sega in 1989/1990 after university and meeting Masato Nakamura of Dreams Come True in 1991. The site also has other sections dedicated to programming and old microcomputers. But there's no mention of having popular albums or anything to connect this Hiroshi Kubota - who is without doubt the Jimita of Sonic 1 - with the other. Also, compare their pictures. Jimita's: And the imposter Kubota: Sadly, Jimita's site also discusses his debilitating disease, another thing that's not brought up in the other man's profile. Though they are both jazz pianists named Hiroshi Kubota, it's clear at this point that it's nothing more than an odd coincidence and that 窪田 宏 is not "our" Hiroshi Kubota. If we can agree on this, then of course the Hiroshi Kubota article needs to be amended, and a note added to it saying something to the effect of "not to be confused with this other guy", to foreclose future confusion. Also, Jimita's site has contact info. As the man who programmed Nakamura's music into the system, he would certainly be a fascinating subject for interview, if such a thing could be approached respectfully.