RIP, Robin Williams

Christopher Reeve presents his former Juilliard roommate Robin Williams a People's Choice Award in 1979.

The world is mourning the loss of Robin Williams after a suspected suicide. He was 63. Here are some of tonight's reactions to the news:

We mourn the loss of our friend Robin Williams, who always made us laugh and smile. pic.twitter.com/UOY8LTjVRA

— Sesame Street (@sesamestreet) August 11, 2014

I'm stunned! pic.twitter.com/X2RbDRyFxt

— Bill Cosby (@BillCosby) August 12, 2014

Robin Williams replying to an unknown fan. What a lovely, sad man. pic.twitter.com/7F06YqEG5h

— Sophie Heawood (@heawood) August 11, 2014

From the Parrot to the Genie...#RIPRobinWilliams

— Gilbert Gottfried (@RealGilbert) August 12, 2014

I could not be more stunned by the loss of Robin Williams, mensch, great talent, acting partner, genuine soul.

— Steve Martin (@SteveMartinToGo) August 11, 2014

He made us laugh. He made us cry. He ended up touching every element of the human spirit. #RIPRobinWilliams pic.twitter.com/kbEq7OwPOf

— The White House (@WhiteHouse) August 12, 2014

Robin Williams was like no other ..To watch him create on the spot was a privilege to behold..
Robin you are an angel now !!! REST IN PEACE

— Henry Winkler (@hwinkler4real) August 11, 2014

How I'll always remember the man who got GOOD WILL HUNTING made: http://t.co/q6XEHea4ls RIP RobinWilliams. Thank you, Oh Captain my Captain!

— KevinSmith (@ThatKevinSmith) August 11, 2014

Nobody had our back more than the great Robin Williams. A generation of troops will forever be grateful. #IAVA pic.twitter.com/Wk5Wjpi3hC

— Paul (PJ) Rieckhoff (@PaulRieckhoff) August 12, 2014

What will your verse be?: http://t.co/1u2MRlWrTY. Oh Captain, My Captian. Truly heartbroken to hear of your passing.

— Beth Hickson~Gibson (@strickly_biz_66) August 11, 2014