Byron Allen -- President Obama ... 'White President in Black Face' (VIDEO)

TV mega-mogul Byron Allen trashed President Obama Saturday night, essentially calling him an Uncle Tom, accusing him of not acting "like a black man."

Allen, a major TV producer who often programs for minority audiences, said he was outraged Obama referred to the Baltimore rioters as "thugs."

Allen warned Obama, "remember who you are," telling him, "It's OK to be President and a black man."

And then Allen goes for the jugular, saying Obama is a "white President in black face."

So we gotta ask ...