Now-fourth-timer Michael Keaton’s last Saturday Night Live hosting stint in 2015 made it clear that he’s game for anything. Who could forget when he played a creepy Easter fanatic listing out everything in his freak-ass Easter basket and swilling an egg salad cosmo? On a rewatch, I realized that character never introduces himself, and it’s not until the end when his assistant, Kate McKinnon’s haunting Vanna White-esque tether, reveals he’s playing himself: “Happy Easter...