One way 你 can tell, look for the scars on his upper right leg and the scar on left side on his ribs, anouther way 你 can tell is the golden eyes witch 你 can't see, one last way 你 can tell is the burn marks under his eyes, witch if 你 look under his left eye, 你 can see them, I hope these ideas help 你 figure out if it is can-do 或者 not