Goliath
Goliath is described in the biblical Book of Samuel as a Philistine giant defeated by the young David in single combat. The story signified Saul's unfitness to rule, as Saul himself should have fought for the Kingdom of Israel.
Goliard
The derivation of the word is uncertain. It may come from the Latin "gula," gluttony. It may also originate from a mythical "Bishop Golias," a medieval Latin form of the name Goliath, the giant who fought King David in the Bible—thus suggestive of the monstrous nature of the goliard. Another source may be "gailliard," a "gay fellow."