Emrys means in slang: An old, peevish and querulous man who can easily get annoyed by everything. Kelly is a disliker of certain songs. He is also Scandinavian. (in Slang Dictionary, added by León Vicente)

What else does Emrys mean?

Merlin is the Welsh name. Merlin is used in BBC’s Merlin to identify a Druid. It is also believed that Merlin may have been Merlin’s last name. (in Slang Dictionary, added by Petronila Soto)