top: Optimus Prime the human; bottom left: Optimus Prime in robot mode; bottom right: Optimus Prime in truck mode
In 2001, this U.S. Army Ohio National Guard firefighter changed his name to Optimus Prime, one of the characters in The Transformers, an animated series and toy line that was popular in the U.S. from 1984 to 1990.
Why does it say “toy line that was popular in the Us from 1984 to 1990”? THe transformers were on hiatus for one year and are currently ranked #2 most popular boys toy line.