Robin Williams
Robin Williams is in talks to star in his first TV series since "Mork & Mindy." Mario Anzuoni / Reuters

Robin Williams, the Oscar-winning actor and comedian, died at his northern California home at the age of 63.

The Marin County Sheriff is suspecting the actor of the movies Aladdin, Mrs Doubtfire, and Good Will Hunting committed suicide.

Soon after his death by apparent suicide broke, celebrities and fans paid tribute to the Oscar winning actor in Twitter while some wished the news to turn out as an internet death hoax.

Fans of the star are also recalling their childhood memories attached with the star's movies, including the hilarious Mrs. Doubtfire.

His friend and colleagues Steve Martin, Mara Wilson, his on-screen daughter in Mrs Doubtfire, and Sarah Michelle Gellar and Ellen DeGeneres were the first to react to the sad news.

Below are the Twitter tributes paid by celebrities.

Fans of the Flubber star offered their tribute on Twitter.