Vorlons are aliens from Babylon 5.

I was also confused by Vorlon as Vogon Poetry is "a thing"

http://en.wikipedia.org/wiki/Vogon#Poetry

Maybe if he used Klingon as "alien poetry starting with a V" instantly makes me think of HHGTG

..anywho :)

Right, Vorlons aren't known for their poetry, Vogons are.