India, Dec. 23 -- YouTube star Adam Williams, popularly known as Adam the Woo, has died at the age of 51, TMZ reported.

Deputies from the Osceola County Sheriff's Office went to Adam's home in Celebration, near Orlando, Florida, around 12:24 p.m. on Monday for a welfare check. A spokesperson told TMZ that the house was locked, and deputies could not reach Adam.

A few hours later, around 2:53 p.m., deputies returned after a call about an unattended death. A friend, worried about Adam, borrowed a ladder and looked through a third-story window, where he saw Adam lying on a bed and unresponsive. Deputies and Fire Rescue entered the home and confirmed that Adam had passed away.

The medical examiner will perform an autopsy to find out the ca...