He was raised in Fullerton. Mejia has 3 pet canines named Kobi, Kylo, and Koda.

tvguidetime.com

The earliest post that Sergio transferred to his Instagram account was on November 18, 2014.

Sergio got the YouTube people group together with his channel named UDY on March 26, 2014. Notwithstanding, the earliest post that he transferred to his record was in April 2014. It was named First Kiss Prank!.

 

Sergio Mejia (@sergiofromudy)’in paylaştığı bir gönderi

As of June 2022, probably the most-watched recordings on Sergio’s channel were He Confronted the BIGGEST Gold Digger!!!! (crazy), Will Girlfriend Leave Boyfriend For A Rich Sugar Daddy?! (Top 10 Gold Digger Loyalty Test), Will She Dump Her BF For a Ferrari??!! ( Crazy Gold Digger Investigation), Girlfriend BRUTALLY Cheats on and Dumps Boyfriend for Millionaire!, and GF BRUTALLY Cheats on and Dumps BF for Millionaire!!! (Section 2). He has highlighted YouTube star Jasmine Gonzalez in his posts on Instagram.