Cerebro's X-Men are a fictional team of supervillains who appeared in both Marvel Comics' Uncanny X-Men and X-Men series. They were created and designed by Spanish artist Carlos Pacheco but he officially drew them just once in the cover of Uncanny X-Men #360 (1998). The interior art of this issue was done by Chris Bachalo.
Read more about Cerebro's X-Men: Fictional Team Biography, Roster