Magical Academy: Rise Of The Supreme Magic Craftsman

Not all characters were listed yet but here are some... 

******Spoiler********

You may not want to read this if you haven't reached 90+ chapters. 

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-------MC and Family

Wallace Ravencroft: MC in this Magic Earth + Wallace Heather's soul.

Elaine Mavis-Ravencroft: MC's mother in this Magic Earth

Chase Ravencroft: MC's father

Claire Ravencroft: Little sister

-------MC's classmates, academy mates, and instructors

Gilbert and Ericka: close classmate

Kazimir: classmate that originated from foreign country

Ross Schien: classmate, descendant of Aeolia

Mark Halevey: classmate, mutated magician, Adept Mage, son of prime minister

Tracy Guilford: classmate, from wealthy merchant family, top1 in academic class

Katherine and Kenneth C.u.m.m.i.n.gs: twins associated with Aaron

Instructor Louise Tales: female instructor of Wallace's 2nd-year class, associated with Lucent Force

Instructor Garen: proxy male instructor of Wallace's 2nd-year class

Eve Luxford: instructor of third-year Combat Magicians

Percival Duro: headmaster of Leonhearts Acad

-----Student Council

Aaron Schmidt: student council president, young master of Lucent Force

Garry and Humphrey: from ethics committee 

Jenny: secretary of the student council

-----TMAC Notable students

Hilda: 1st year from Leonhearts Acade, used Wallace's Traceless Oscillation and Infrasonic Ray

Klein: from 2nd yr Stoneheimer Academy, fought with Kyla from Mystic Gate, used "Obsidian Surge" spell

Shirley: 2nd year from Leonhearts Acad. used Wallace's Ultrasonic Burst, Echo Blast

Ray Penber: 2nd year from Leonhearts Acad. used Mirror of Trace made of Ancient Abyssal Glass by Wallace

Lina / Alphonse / Kite: 2nd year stud from Leonhearts Acad who fought together with Shirley during TMAC

Nyla Lawson: strongest 3rd year student in Odrexelt

Vanessa White and Aria Scott: female duo from Skywalker Academy. shown interest towards the creator of traceless oscillation

Avery Marshall: strongest 3rd yr student from all-female acad. Isolde Academy

Hector Newman: strongest 3rd yr magician of Stoneheimer, participant in TMAC and International Comp

Vera: 3rd year student from Leonhearts. Due to weaker teammates, unable to participate in higher competitions

Felicia / Clarence / Dervi : announcers during TMAC, Clarence was dubbed as one of the youngest titled Battle Mage

------NMTI (National Magic Trade and Industry)

Bryson: Magic Engineer in NMTI

-----Ministry of Magic Education

Hayden Fraser: Enneadic Magician. one of the strongest magician known in public

Troy Webb: disciple of Hayden, Peak Adept Mage

C.h.e.s.ter: Head of Mage Doctor's Department within the Ministry

-----Zairus Magician's Congress

Marvin C.u.m.m.i.n.gs: an inspector from Congress

-----Lucent Force

Hawk

Falcon

Eagle

Owl