|Portrayed By||Andrew Glover|
|Appearance||HTLJ "Long Live the King"|
|Affiliations||King Phaedron, Hector|
Illegibus was the royal physician to King Phaedron of Marathon. He saved Phaedron's life after an attempted assassination by Boron. Later, he assisted his cousin Hector and Iolaus in exposing the assassination plot by King Xenon.