Doctor

Stephen Strange, Doctor Strange

Victor von Doom, Doctor Doom

Otto Octavius, Doctor Octopus

Leonard Samson, Doc Samson

Anthony Ludgate, Doctor Druid, Doctor Droom

Doctor Druid, of Zombiverse

Joseph Ledger, Doctor Spectrum of Squadron Supreme

Joe Ledger, Doctor Spectrum of Supreme Power

Minn-Erva, Doctor Minerva

Kristoff Vernard, Doctor Doom

Johann Fennhoff, Doctor Faustus

Lemuel Dorcas, Doctor Dorcas

Doctor Sun

Doctor Demonicus

The Doctor, aka Doctor Who

Lester Verde, Doctor Bong

Carolyn Trainer, Doctor Octopus

Doctor Doom of the Ultimate universe

Kinji Obatu, Doctor Spectrum of Squadron Sinister

Martha Gomes, Doctor Spectrum of Squadron Sinister

Doctor Crocodile

Docteur Q

Doctor Decibel of the Institute of Evil

Doctor Mime of the First Line

Doctor Glitternight

Doctor Synne

Doctor T'Kora of Wakanda

Dr. Yugyu of Earth-8908, ally of Nth Man (John Doe)