Oliver Jack Carter Lomas-Davis, who made waves as ‘Bernie Baby,’ died of SIDS (Sudden Infant Death Syndrome) on February 25.

“Oliver’s mother, aunt, and family are mourning the tragic and surprising loss of this incredible baby boy,” said his memorial page.

Oliver became an Internet sensation after his mother dressed him in a white hair wig with big black glasses to look like presidential candidate 

The Centers for Disease Control said SIDS occurs “suddenly and unexpectedly” and kills approximately 3,500 infants every year. It mostly happens “while the infant is sleeping in an unsafe sleeping environment.