Serin Waylun was a human male Jedi Knight serving the final years of the Galactic Republic. A practitioner of Forms II, III and V, Waylun followed a path of the Jedi Guardian, becoming one of the Jedi Order's stalwart defenders. Possessing a hobby of investigation, Waylun on occassion served as a Jedi investigator, sometimes assisting the Coruscant Police. When the Clone Wars broke out, Waylun assumed the mantle of Jedi General and led his own detachment of troops in early 20 BBY.