Oda in the SBS: "Oh, you noticed that, too? I thought I was being so sneaky. Fufufu, you could say that Polo was Marco's father in a sense, yes, because he adopted him. You read that right. Polo is not Marco's biological father. But to show how much the old man meant for him, after Polo passed away, Marco made a vow to always cut his hair to resemble Polo's. So, there, that's Polo's story. Or is it?"