Petros Christoulias was born in Chalkida, Greece, in 1979. He studied Fine Arts at the Aristotle University of Thessaloniki. He works as an illustrator and comic creator based in Athens.
He has collaborated with the Greek Ministry of Culture in designing and producing three educational comic books, and with the University of Athens’ Department of Informatics and Telecommunications in creating a digital tour of the university’s History Museum. In 2014, he designed the logo for the SNFCC’s summer campaign “Future Library”. His project “Trenches” was exhibited at the National Library of Greece in 2014, as part of the EU’s Europeana initiative.
His book Η Ατμομηχανή του Χρόνου (At the other side of the timeline) was nominated for a National Award for a Children’s Literary Book. His graphic novel biography Dr. PAP: Η ζωή του πρωτοπόρου γιατρού Γ. Ν. Παπανικολάου (The Life of the Pioneer Doctor G. N. Papanikolaou) was selected for the White Ravens List of the International Youth Library for 2024.
His book Η Μαγεμένη (I Magemeni) won the literary award of the e-journal "oanagnostis" and was nominated for an IBBY Award.
​Selected Awards
​2005
Awarded by the Macedonian Museum of Contemporary Art for a video art piece at the Graduation Exhibition of the Fine Arts School of Thessaloniki.
2009
Golden EBGE Award for the illustrated book Ιστορίες των Μελανουπόλεων (Stories of the Ink Cities).
Honorable Mention at the EBGE Awards for the design of the mascot of the animation festival Animasyros.
2011
4th place (Honorable Mention) at the European comic competition “Conflicts: War Balloons” in Genoa for the comic series Χαρακώματα (Trenches).
2013
Best Artist (Comicdom Awards) for the comic album In the City of Victory.
Best Self-Published Comic (Comicdom Awards) for the self-published album Μπάτμαν: Αυτή η Άθέρφη 2 (Batman: This Sister 2).
2015
Greek Comic Awards – Best Design for Χαρακώματα: Ιστορίες από την οδό Γάγγραινας (Trenches: Stories from Gangrene Street).
Greek Comic Awards – Best Cover for Χαρακώματα: Ιστορίες από την οδό Γάγγραινας.
Greek Comic Awards – Best Webcomic for Γυρνώ σαν νυχτερίδα (I Roam Like a Bat).
2020
Greek Comic Awards – Best Comic for Ψηφιδωτό (Mosaic).
2024
Honorable Mention for Book Illustration at the EBGE Awards for Dr. PAP: Η ζωή του πρωτοπόρου γιατρού Γ. Ν. Παπανικολάου.
2025 
Literary award of the e-journal "oanagnostis" for the book Η Μαγεμένη (I Magemeni).