The world mourns for Robin Williams, one of the funniest actors of our time.

The actor, 63, was found dead at his home in what appears to be an apparent suicide due to asphyxia.

Details of his death and the exact cause of death are yet to be revealed, but a statement by the Marin County Sheriff's Department in California said: "On August 11, 2014, at approximately 11:55 am, Marin County Communications received a 9-1-1 telephone call reporting a male adult had been located unconscious and not breathing inside his residence in unincorporated Tiburon, CA. The male subject, pronounced deceased at 12:02 pm has been identified as Robin McLaurin Williams."

Following his death, President Barack Obama issued a statement: "Robin Williams was an airman, a doctor, a genie, a nanny, a president, a professor, a bangarang Peter Pan and everything in between. But he was one of a kind. He arrived in our lives as an alien - but he ended up touching every element of the human spirit.

"He made us laugh. He made us cry. He gave his immeasurable talent freely and generously to those who needed it most - from our troops stationed abroad to the marginalized on our own streets. The Obama family offers our condolences to Robin's family, his friends, and everyone who found their voice and their verse thanks to Robin Williams."

Mara Wilson, who played William's character's onscreen daughter on 'Mrs Doubtfire,' tweeted, "Very sad, very upset, very glad I did not have to hear about this though Twitter. Probably going to be taking some time off it for a while."

Actress Sally Field, who starred alongside Williams in the hit film, also stated: "I feel stunned and so sad about Robin. I'm sad for the world of comedy. And so very sad for his family. And I'm sad for Robin.

He always lit up when he was able to make people laugh, and he made them laugh his whole life long.... tirelessly. He was one of a kind. There will not be another. Please God, let him now rest in peace."

Williams had long struggled with drugs and alcohol, and was said to be suffering depression before his death.

"He has been battling severe depression of late," the late actor's media representative Mara Buxbaum told CNN. "This is a tragic and sudden loss. The family respectfully asks for their privacy as they grieve during this very difficult time."

He leaves behind three children Williams, 63, leaves behind three children and third wife, graphic designer Susan Schneider.

He had his first child with first wife Valerie Velardi. Zachary 'Zak' Pym, was born April 11, 1983. Williams and Velardi divorced in 1988.

Williams' two other children with second wife Marsha Garces are Zelda Rae Williams and Cody Alan Williams. Zelda Rae was born July 31, 1989, and Cody was born November 25, 1991.

The actor gave his last tweet on Instagram on July 31, wishing his daughter 25-year-old daughter Zelda Rae Happy Birthday. He posted a photo of him with his daughter pictured as a child. "Quarter of a century old today but always my baby girl,' he captioned the photo," he wrote.

Details of Williams' funeral will be announced as soon as the details are released from the actor's family. It is not known whether there will be a public service for the late actor, but memorials have popped up all over the country, including the 'Good Will Hunting' bench in Boston Public Garden.