West, who played the Caped Crusader on the classic 1960s TV series "Batman", passed away on Friday here after a short battle with leukemia. He was 88.
The "Batman v. Superman: Dawn of Justice" actor, Affleck, took to Twitter to pay tribute to the late veteran.
"Adam West exemplified heroism. Kind, funny and an all around great guy. Thank you for showing us all how it's done. @therealadamwest," he wrote.
West's "Batman" costars Burt Ward and Julie Newmar have also expressed their grief over his demise.
While Newmar, who starred as Catwoman on "Batman" for two seasons, said, "Stellar, exemplar, a king to the end. He was bright, witty and fun to work with. I will miss him in the physical world and savor him always in the world of imagination and creativity.