Professor Robert Callaghan / Yokai – Big Hero 6
Also known as: Yokai, The Masked Villain, Primary Antagonist / Microbot Controller
That was my mistake!
Professor Robert Callaghan / Yokai
Battle Score
| Attribute | Score | Tier |
|---|---|---|
Attack Potency As Yokai, Professor Callaghan uses microbots to create devastating constructs. (Big Hero 6) | 8.5 | City |
Speed Enhanced speed through microbot control and armor. (Big Hero 6) | 8.0 | Superhuman |
Durability High durability when protected by microbot armor. (Big Hero 6) | 8.5 | High |
Combat Intelligence Brilliant inventor and strategist who uses technology for revenge. (Big Hero 6) | 9.0 | Genius |
Abilities / Hax Microbot manipulation allowing him to create weapons, shields, and complex structures. (Big Hero 6) | 9.0 | Extreme |
Hiro's former professor who becomes the masked villain Yokai after losing his daughter in a teleportation accident.
Basic Information
Role & Status
Notable Quotes
That was my mistake!
The explosion that killed Tadashi... that was an accident.
I want my daughter back!
You took everything from me!
Background Story
Early Life
First appeared in Episode 1, establishing the foundation for their character development and story arc.
Key Events
Debut in Episode 1. Became known for the famous phrase: "That was my mistake!". Character development showcasing traits like intelligent and vengeful.
Personality & Psychology
Core Traits
Strengths
Weaknesses
Motivations
No motivations listed.
Fears
No fears listed.
Moral Alignment
Abilities & Skills
Primary Abilities
Secondary Skills
Special Powers
Equipped Weapons & Items
Combat Style
No combat style described.
Relationships
Enemies & Rivals
2Hiro-hamada
former student/enemyAlistair-krei
enemyFamily & Bonds
1Abigail-callaghan
daughterCharacter Development
Character Arc
Character development showcases growth through their intelligent and vengeful nature, evolving from initial appearances to become a more complex and beloved character.
Growth Moments
Learning to balance personal desires with loyalty to friends and family
Key Turning Points
Initial debut in Episode 1 established character foundation
Development of signature catchphrases that became part of character identity
Expansion of social circle and deepening of key relationships
Lessons Learned
The value of maintaining strong relationships and communication
Future Goals
Strengthen bonds with loved ones and create new meaningful connections.
Trivia & Fun Facts
Interesting Facts
First appeared in Episode 1
Works as a professor; microbot weapon engineer
Known for being intelligent and vengeful
Famous for saying: "That was my mistake!"
Behind the Scenes
Character debuted in Episode 1
Character interactions designed to showcase relationship dynamics
Cultural Impact
No cultural impact information available.
Fan Favorites
Signature catchphrases and memorable quotes
Media Appearances
First Appearance
Episode 1
Major Appearances
Voice Actors
Merchandise
Collectibles
No Collectibles Available
Merchandise information for this IP is not yet available.