Gurkinn is
Korrina grandfather.
Gurkinn refereed a battle against a Quilladin trainer before taking
Ash Ketchum and his friends to Mega Island by boat so that
Ash's Lucario could find a Lucarionite. He pretended to leave the island on boat and upon finding the Lucarionite, he reappeared as the Mega Evolution Guru and challenged
Ash's Lucario to see if it could obtain the Lucarionite from his Alakazam. Lucario managed to get the Lucarionite and
Gurkinn removed his disguise to reveal himself.