If the message in My Hero Academis is that anyone can be a hero, then it makes sense that anyone can cosplay, even grandparents.
Evangelion's Mari, Asuka and Rei Join Forces for an Epic Cosplay
Sorahiko Torino, My Hero Academia Wiki
Sorahiko Torino, My Hero Academia Wiki
Sorahiko Torino, My Hero Academia Wiki
MHA Has Two Versions Of Lois Lane
Skip and Loafer Among Manga Loved by My Hero Academia's Creator
Kaguya-sama Cosplay Brings the Student Council to Life
Kaguya-sama Cosplay Brings the Student Council to Life
Sorahiko Torino, My Hero Academia Wiki
Evangelion's Mari, Asuka and Rei Join Forces for an Epic Cosplay