That would be because there was no interaction between them in comic. They’re shipped together because they’re the most competent members of the Felt.
Brain Ghost Dirk is a figment of Jake’s mind. So, not saying the J-man still got an appetite for that fresh beef dirky, but it’s possible.
Anonymous
That or Grandpa and their Mom weren’t married when they had Joey so she took her mother’s name and then they got hitched before Jude came along. Or maybe they never got married and just decicded for one kid per last name or some shit like that. Or they could be half siblings and Joey could be biologically unrelated to the Homestuck characters we all know and love, I guess we’ll find out.
Fedora Freak is seen here. As for his title the Gent of Piss and Nic Cage as the Nic of Time, they weren’t mentioned in comic, but in one of Hussie’s Q&As
Anonymous
Okay so I guess they’re actually second cousins

Genealogy is hard, even more so with ectobiology and adoption thrown in the mix
Anonymous
The Nic of Time and Gent of Piss gonna show up last second to save the day
Anonymous
prolly not
You’re right, my bad. I fixed it.
Anonymous
Nope, it’s never been confirmed whether they were pale, red, or just “good friends”
Anonymous
I answered this just a bit ago