Here is another comic featuring only one familiar character who I don't even think is that popular!
These other guys might show up again if necessary though. I don't know why it would be necessary, but it might. I called the first guy Dr. Pangloss in my script, but that is flexible and may change. The tattoo artist with the katana's name is Nad. As in nads.
He carries a katana.
If you don't get the shoutout on his shirt, then maybe we shouldn't be friends.