Terezi was the first person to mention the existence of Paradox Space.

http://www.mspaintadventures.com/?s=6&p=003424

5512 for the panel and the ~ATH Book just in case someone doesn’t remember that either.

If you click on the picture of recap 4, your cursor turns into Andrew Hussie.

http://www.mspaintadventures.com/?s=6&p=005999

http://www.mspaintadventures.com/?s=6&p=003978

)(er Imperious Condescension may still be the Thief of Life. This may hint that the ancestors and the Beforus trolls both have the same god tier. Jade and Meenah didn’t meet yet to my knowledge, so it couldn’t have been a reference to her god tier status as Theif of Life. Coincidence? I THINK NOT.

Source: http://www.mspaintadventures.com/index.php?s=6&p=008226

Sources: 

mspaintadventures.com/?s=6&p=003730

mspaintadventures.com/scratch.php?s=6&p=005845

It’s possible this is also the same Unreal Air that Dirk’s bro used to abscond after his strife with the ICP at the White House, though there is no evidence of this yet.

“The little coolkid is making a mess of his lovely new horseleather bib.”
Source: http://www.mspaintadventures.com/?s=6&p=004666