|First Appearance:||Oral tradition; Historia Regum Britanniae by Geoffrey of Monmouth|
|Turtledove Appearance:||"A Massachusetts Yankee in King Arthur's Court"|
Merlin is best known as the wizard featured in Arthurian legend.
A Christian priest named Horus traveled from Egypt to Britain shortly after the Roman Empire left. He came as a missionary to Cam'lod'n but stayed as a valuable advisor to Arthur. The people of Cam'lod'n came to know Horus as Merlin.
When President John F. Kennedy was magically sent back in time to Cam'lod'n, he sought out Arthur. Athough Arthur was away fighting the Saxons, Kennedy came to Merlin's attention. Merlin agreed to help Kennedy return to his own time. After research and study, Merlin arrived at a solution. However, when he discovered Kennedy in sexual congress with Queen Guinevere, Merlin balked at helping Kennedy. He relented when Guinivere threatened to tell Arthur that Merlin had molested her and sent Kennedy home.