Every time this post revives, it reminds me of the AT&T BLIT graphics terminal, previously mentioned here:
The BLIT was infamously originally called the JERQ, a play on PERQ. As remembered by Rob Pike:
https://minnie.tuhs.org/pipermail/tuhs/2019-December/019653.html
(Relatedly, if anyone has a line on a Teletype 5260, the commercial version of this terminal, I am interested.)