Justus Jonas — The Three Investigators: Isle of Death Character Profile

About Justus Jonas

Brilliant teenage detective and logical leader of the trio.

Justus Jonas — Character Profile

Alignment

Hero

Species

Human

Abilities

Deductive reasoning, Leadership, Lockpicking, Strategic planning

• Strength: 4/10
• Intelligence: 9.5/10
• Charisma: 8/10
• Morality: 9/10
• Influence: 8.5/10

Justus Jonas appears in 2 titles

• The Three Investigators and the Carpathian Dog (2025) — character page
• The Three Investigators: Isle of Death (2026)

Character Facts

Played by

Julius Weckauf

Appears in

The Three Investigators: Isle of Death (2026)

Role

Protagonist

Relationships (6)

• Justus Jonas — teammate — Peter Shaw (Nevio Wendt)
• Justus Jonas — teammate — Bob Andrews (Levi Brandl)
• Justus Jonas — rival — Skinny Norris (Filip Schnack)
• Justus Jonas — ally — Barbara Jefferson (Florentine Behrend)
• Justus Jonas — mentor — Aunt Mathilda (Jördis Triebel)
• Justus Jonas — mentor — Uncle Titus (Florian Lukas)

Explore the full interactive character relationship map of The Three Investigators: Isle of Death

More characters from The Three Investigators: Isle of Death

• Peter Shaw (Nevio Wendt)
• Bob Andrews (Levi Brandl)
• Maria Svenson (Katja Lechthaler)
• Jelena Charkova (Momo Beier)
• Skinny Norris (Filip Schnack)
• Uncle Titus (Florian Lukas)
• Aunt Mathilda (Jördis Triebel)
• Professor Phoenix (Andreas Pietschmann)
• Joseph Saito Hadden (Simon Kluth)
• Juan (Pascal Buchsbaum)
• Olin (Jannik Schümann)
• Anne (Amal Keller)