Sonic Team was not disbanded along with the Dreamcast, but - AFAIK - still exists, however; Yuji Naka left in 2005(?) during Sonic ‘06’s disastrous development.

Sonic Team was not disbanded along with the Dreamcast, but - AFAIK - still exists, however; Yuji Naka left in 2005(?) during Sonic ‘06’s disastrous development. He’s recently ended up in legal trouble after the shitshow that was Balan Wonderworld. Oh; how the mighty have fallen. :(