Comedian Andrew Santino tells the stories of his two worst birthdays. You can find him @cheetosantino on Twitter or at www.andrewsantino.com.

Matt Fulchiron is used to loneliness, disappointment, and rejection.  Follow him @thefullcharge and www.thefullcharge.com.

Josh Adam Meyers doesn't do coke anymore. That's probably a good thing. You can find him @joshadammeyers and www.joshadammeyers.com.

Ryan Mirvis has some shitty roommates and now probably a dead cat.  Follow him www.RyanMirvis.com

Recorded in the green room of the San Francisco Punch Line, Comedian Chris Thayer tells the story of his ill-fated 27th birthday. You can follow him @Christhayersays.

Bullseye of Pain: Pat Keane shares an honest and raw story of loss and sadness on his worst birthday.  Please follow him at CitizenKeane.com

Vine star Brittany Furlan (and her Dad!) painfully remembers her 13th birthday, which perfectly captures the awkwardness of the time between childhood and adulthood.  Follow her on everything @brittanyfurlan

Jesse Popp relives his worst birthday, the 33rd: comedy wasn't happening, broke in the Big Apple, sell the guitar, credit card lost, move back to Michigan, laughing Puerto Ricans, from rotten apple to picking apples.  Follow him @jessepopp 

Comedian Rob Gleeson shares his 21st birthday which was, to say the least, not very fun or cool but certainly memorable.  Follow him at www.RobGleeson.com