Maddigan
Kane is Max's last name in the novel Freak the Mighty. You just take his dads last name Kenny Kane and put it after Max.
Jimmy
Max's last name is Caulfield.
Max Heller
keke palmer/true jackson-15 yrs old ashly argota/lulu johnson-16 yrs old matt shively/ryan dont know last name-18 yrs old ron butler/oscar dont know last name-probably in his 30's greg proops/max mannigan-50 yrs old danielle bisutti/amanda cantwell-33 yrs old robbie amell/jimmy-21 yrs old
Rockatansky
Max Heller
His name is Max Albert George. He is no longer part of the band, The Wanted.
I can think of three: Max Beckmann, Max Ernst und Max Pechstein
Greg Proops plays Max Madigan in True Jackson VP.btw: He was also widely known as an improvisational comedian on Whose Line Is It Anyway?.
His last name is George. His full name is Maximillian Alberto George.
In order to establish what Max last names are, you would need to provide more details. There are so many people who go by the name Max and have different last names.