A lot of fans didn't know it, but Robin Williams was a huge video game fan, even naming his daughter Zelda after the popular "Legend of Zelda" character. Efforts have gained steam to immortalize Williams as a character in both an upcoming Zelda game and in the "World of Warcraft" online game. Robin Williams should be made a cross all faction collectible hero rune for $10.00 with the proceeds going to support some sort of cause.
If it should be referencing one of his roles to be less obvious and more subtle. Perhaps an IS rune with a quotation from the teacher from Dead Poets Society.
His best movie is 'What dreams may come' So i would make an ability on that champ, if it dies, it comes into heaven and is healing every champion on the field for 5 hp
Recently got around to watching Good Morning Vietnam. Surprisingly good and as always reinforcing my conviction that you have to be completely insane to join or like the military
speaking of heads and hanging and humour why not a spell called Gallows humour, should be something like for x turns whenever a champion dies it cackles or whatever it is now, hidden till triggered. also genie rune for SP