He's back.

Jaymes Diaz, one of the most memorable political candidates in recent years, is preparing to re-enter politics, as preselection candidate for the Liberal ticket for Blacktown council.

Party sources said that Mr Diaz will nominate for a preselection contest to be held next Sunday for the council.

Mr Diaz's sister, Jayneline "Brightly" Diaz, is also believed to be nominating.