The current deputy mayor, Kaz Daughtry, shared a post on social media announcing Devarjaye "DJ" Daniel as deputy mayor.
DJ has been battling brain and spinal cancer, but his dream is to battle crime.
He and his dad have been traveling across the nation, realizing that dream and inspiring many along the way.
DJ has been honored by the president during a previous State of the Union address.
He and his dad also caught a boat ride with the NYPD Harbor Unit with some other stops, including his first trip to the Empire State Building.
* Get Eyewitness News Delivered
* Follow us on YouTube
* More local news
* Send us a news tip
* Download the abc7NY app for breaking news alerts