Michael Keaton, Val Kilmer, George Clooney, Christian Bale, Ben Affleck, and . . . Evan Turner? Yes, the Celtics guard played the part of Batman the other day while leading 80 oldsters from Mission Hill (including Jesus M. Heraldalago) in a Halloween-themed fitness event at the Roxbury Tenants of Harvard Gymnasium.
Seventy-six-year-old Celts legend Tom “Satch” Sanders also took part in the event sponsored by the C’s and New England Baptist Hospital. . . . It was “Night at the Children’s Museum” as grown-ups goofed off and enjoyed a cash bar while exploring the museum’s interactive exhibits and sounds spun by DJ Rich DiMare from KISS 108. At left, Isabelle Gell-Levey of Medford plays with bubbles while dressed as Olaf from “Frozen.’’