The mRNA shot: turning George Clooneys into Bill “D-Fens” Prestons every day of the week!
I am not a movie buff and had to look it up ... are you referring to William “Bill” Foster, also called D-Fens, the villainous main protagonist of the 1993 film Falling Down? I read a summary of the movie.
https://villains.fandom.com/wiki/William_Foster