Thank you. And no, no, they're acquired. Skin has a couple of layers, you see? [She'll turn her hand so that Jetstorm can better see the its nails, and point to the cuticles.] Or, at least, you can kind of see. Tattoos are made by puncturing it to insert pigment underneath the first layer, to make a design. When the punctures heal up, the pigment's... basically encapsulated where it's embedded in the tissue, so there's a practically permanent mark.
[aw thank you]