Uhh, dont get me wrong, but i think this is not his birthday
https://web2.0calc.com/questions/its-my-birthday-in-two-days-sept-25#r5
And he's not 19 he's 13
"Okay imma be completley honest im 13 i go to sms middle school and i twisted my ankle doin parkour mk..."
Here I quote DR stating himself that he is 13.