Ethan Hawke initially thought that Robin Williams hated him because Robin constantly teased him on the 'Dead Poets Society' set. 😁

A djinn in 'World of Warcraft' was named after Robin Williams. 🧞‍♂️

Robin Williams made a cameo as John Jacob Jingleheimer Schmidt.

Robin Williams launched his career with stand-up comedy in the mid-1970s. 🎤

Robin Williams's first leading role came in 'Popeye.' ⚓

'Good Morning, Vietnam' bagged Robin Williams his first Oscar nomination. 🏆

His favorite celebrity to impersonate was Jack Nicholson. 😎

He was suffering from severe depression before his death. 🙏

Robin Williams improvised his entire scene in 'Friends.' 😆

How well do teens know Robin Williams movies?! 👀📺

Comedian Jamie Costa nails ALL of Robin's iconic film roles!

Wow, Costa recreates 'Patch Adams' SO flawlessly! 😮🙌

Robin Williams was one of Steven's best friends. 💕

Simon impersonates Robin Williams impersonating Ghandí! 🤣

His son Zak posted and sweet (and funny!) message for the comedian’s 71st birthday. ❤️