Walt Disney's grandson heir demands 'biased' California judge is fired for denying his $200million inheritance and falsely claiming he has Down syndrome
Walt Disney's grandson Bradford Lund, 50, has been locked in a 15-year battle with his twin sister Michelle over their $400million inheritance
Bradford asked state judicial watchdog to remove LA County Superior Court Judge David Cowan for alleged ethics violation
The Arizona resident said on Thursday that Cowan denied him $200million inheritance by claiming he had Down syndrome - despite a negative DNA test
Late mother Sharon died in 1993 and appointed trustees to approve payments when the twins reached 35 - if they were 'mentally capable'