The Faery Chronicles Series by Claire Crow, Leslie Claire Walker

Kevin had it all for an hour: blowing off steam at a Saturday night party, making a date with the girl of his dreams. Then impending mortal danger transformed him from normal into instant freak: hearing his friends' thoughts, pissing off the Faery King, falling for a rock 'n' roll siren who's not exactly—well—human. Can Kevin break the trap the Faery King sets? Can he find a way to wield his new powers before time runs out?

Rudolph Diamond Davies III: Senior class clown. Hawaiian-shirt-wearing party dude. Apprentice Faery Seer trained to enforce the peace among humans, faeries, angels, and demons. No problem. Until a friend’s spell to summon a capital D Demon devastates Rude’s city in the blink of an eye.The spell changes everything—and everyone—within its reach. Some people vanish without a trace. Some lose their sanity... moreRudolph Diamond Davies III: Senior class clown. Hawaiian-shirt-wearing party dude. Apprentice Faery Seer trained to enforce the peace among humans, faeries, angels, and demons. No problem. Until a friend’s spell to summon a capital D Demon devastates Rude’s city in the blink of an eye.The spell changes everything—and everyone—within its reach. Some people vanish without a trace. Some lose their sanity. And those who carry magic within them begin to change as the spell reshapes and remakes them, turning them into their own worst nightmares.If Rude can’t find a way to stop his own terrifying transformation, he will be damned. The arrival of the Demon will destroy more than his city and all the people within. The Demon’s magic will destroy the world. less