Characters

All main characters, appears in Head Held High series: Also NCPD eployee, Protectors and Reflectors in Nectar City.
 * Travis, mostly known as Traveler
 * Dr. Abc, known as "Doc" or "Doctor Abbacchio"
 * Dt. Def, known as ?
 * Ofc. Xyz, known as ?
 * Johnny Stu, known as "Johnny The Stupid"

Interesting facts:
 * Short characters surname using alphabet letters.