The Ten Mutant Commandments are tattooed on Magneto of the Ultimate Universe's back. ¹⁾

Gambit of the X-Men admires Deadpool's fighting talents so much that he previously paid him off rather than chance a confrontation with him, saying that fighting Deadpool is suicidal. ²⁾

During the Holocaust, Magneto got the number 214782 tattooed on his arm. This number was eventually retconned to 24005 since it could not have been a genuine Auschwitz number. ³⁾