There is Percy, and twin sister Dandrane (I don't know, augh) -- and Galahad apparently saves Percy after the battle at Camlann and takes him back to Wales. They stay there for a bit and then go off hunting the Grail. I'm -- up to the bit where Galahad finds his shield.

(Also, also! You type for Gaheris, yes? Want me to make a Raoul!post?)