The Middleman: Barry Allen or Wally West?
Referencing two incarnations of The Flash, a comic book superhero.
Barry Allen is the Silver Age Flash, first appearing in Showcase #4 (October 1956). The character was created by Gardner Fox, Carmine Infantino and Bob Kanigher. His nephew, Wally West, first appears in The Flash (vol. 1) #110 (December 1959–January 1960). Wally West was created by John Broome and Carmine Infantino. Both gained their powers of super speed by being doused with electrified chemicals. Wally started as Kid Flash but later took on the role of the Flash when Barry Allen died.