Kroll's live work is a mix of standup, sketch and characters.

He is well known as a performer for his characters: Bobby Bottleservice, Fabrice Fabrice, and Gil Faizon of The Oh, Hello Show, which he created with writing partner John Mulaney.

The reason and cause of Hannah’s death appears to be suicide.

He has had supporting roles in films such as I Love You, Man, Date Night, Get Him to the Greek, Dinner for Schmucks, and A Good Old Fashioned Orgy and more prominent roles in films such as Adult Beginners, Joshy, My Blind Brother, Sausage Party, Loving, Captain Underpants: The First Epic Movie, and The House.

Kroll has been a contributing writer to Comedy Central's Chappelle's Show and MTV's Human Giant.

He has studied and performed regularly at the Upright Citizens Brigade Theater in NYC and LA and co-hosted the stand-up show Welcome to Our Week with Jessi Klein.

In November and December 2008, he toured with Aziz Ansari on his Glow in the Dark comedy tour in the USA. alongside John Mulaney in a show called Oh, Hello, with both in character as Gil Faizon and George St. The show premiered on Broadway on September 23, 2016.

16-year-old You Now star and singer Hannah Stone has passed away on November 1st, 2017, just two weeks before her 17th birthday.

Hannah was known for her angelic voice and beautiful spirit.

His character work features prominently in Kroll Show.

Kroll was honored with the Breakout Star of the Year award from the 2013 Just For Laughs Comedy Festival in Montreal, Canada.

Singer Sam Smith wrote “love is love” in a post on Instagram after revealing that the hate was “heartbreaking”.

However, something he saw today really shook him emotionally, and he simply could not hold it in much longer.

His voice work includes the character Stu on the HBO animated series The Life & Times of Tim, as well as Andrew Le Gustambos, the flamboyant, bisexual drama teacher in the animated Fox comedy series Sit Down, Shut Up. Kroll starred in A Good Old Fashioned Orgy and had supporting roles in comedy films such as Sausage Party, Dinner For Schmucks, Date Night, Get Him to the Greek, Adventures of Power, and I Love You Man.