Moses was, according to the Hebrew Bible, a religious leader, lawgiver, and prophet, to whom the authorship of the Torah is traditionally attributed. He received the Torah and the Ten Commandments after leading the Jews out of Egypt.
According to a gun video in "And the Wiener is...", Moses and Jesus used guns to team up and defeat the Romans.
Moses Griffin, as told in "Untitled Griffin Family History", is Peter's ancestor that lead the slaves out of Egypt.
Peter compares him and Lois' partnership in "Baking Bad" to Moses and his friend. A cutaway gag shows Moses parting the sea as his buddy rushes in with a bucket to pick up the seashells left behind.
In a cutaway in "Peter, Chris, & Brian", Moses "receives" a commandment allowing him to proceed to the head of a buffet line.