He was probably raped by Griffith.
S T A N D
Mustachioed Infant's stand is named MOM'S SPAGHETTI. When activated, Mom's Spaghetti caresses the infant until it creates a polarizing, deafening noise that shatters the current timeline, spawning various plates of spaghetti.
Mom's Spaghetti was also probably raped by Griffith.