In here he was a normal kid who lived with his big brother Koji Kabuto and his grandfather Juzo Kabuto after their parents' death(spoiler, his daddy Kenzo Kabuto is alive but has better things to do than raise his kids). All of it changed when Koji was sixteen and their grandfather was murdered by Dr. Hell.
In most appearances he was voiced by Kazuko Sawada who was also Junpei Hayami in Cutey Honey, Lala in Devilman TV, Sabu in Groizer-X and Kobanzame (ep 9); Shishimai (ep 25); Toragozen (ep 25) in Dororon Enma-kun.
hes voiced by Sayaka Aida who was also Kaito Tatsuno in Dinozaurs, Nicole in Zatch Bell and Azure Kite in .//hack
In the dub he was voiced by Martik Burke who was Yosuke Sumida in Dai-Guard, Yoshida in Getter Robo Armageddon, Tokisada Shiro Amakusa in Ninja Resurrection, Hiroshi Umino in Queen Emeraldas, Touma Inaba in Sakura Diaries, Teru-bo in Sakura Wars 2 and Sonic in Sonic the Hedgehog: The Movie (OAV)
Here its 10 years after they beat the baddz.
Hes played by Natsuki Hanae who was Alm in Fire Emblem, Protagonist in Pokemon Sun and Moon and Pokemon Ultra Sun and Ultra Moon (wtf they gave em voice actors?! ruined forever! at least I dropped out after gen V! My Charizard would roll over in its grave if it saw this!), Time Patroller in Dragon Ball: Xenoverse, Tai in Digimon Adventure tri, Jaco in Dragon Ball Super (aw gay!!), Kyôji Shinkawa in Sword Art Online II, Ken Kaneki in Tokyo Ghoul, and Dipper Orion in Yugioh Arc V (the worst one)