Quick Facts
Full Name

Hexiciah Steam
Monster Type
Fae-human hybrid
Role
Mad scientist, teacher
First Appearance
Robecca Steam's 'Between Classes' diary (2012)
Locations
Monster High, Catacombs
Overview
Hexiciah Steam is a famous mad scientist in the Monster High universe and the father of Robecca Steam.
A famous scientist among the monster community, Hexiciah is always upbeat and enthusiastic, especially when immersed in his studies.
Portrayers
Hexiciah Steam is voiced by Dave B. Mitchell in the English version.
Hexiciah Steam is voiced by Dave B. Mitchell.
Character
Hexiciah is an adventurous scientist with centuries of experience, known for his fascination with ancient builders and inventions.
He is constantly on the search for new knowledge and discoveries, and is known for going on many adventures around the world.In particular, he was fascinated by the Builders, an ancient race of monsters who created the Catacombs under Monster High.
While his age is unknown, he has been alive for several centuries, assisting Elissabat in her escape from Transylvania and creating Robecca Steam.
A hundred years later, he joined an expedition to the Catacombs, where they activated a Builder machine that put them in suspended animation.
Relationships
Hexiciah has family ties to Robecca Steam and friendships across the monster world, including a possible romance with Bloodgood.
Although he appears human, Hexiciah is actually part fae. His mother was a fairy acquainted with Oberon and Titania, and his father was a human scientist.
He was a close friend of the Steins, trusted by Dracula and Elissabat, and acquainted with Headless Headmistress Bloodgood, a young Rotter, and young Victor Frankenstein.
Notes & Trivia
Hexiciah appears in diaries, books, and cartoons with some name variations noted.
- In Ghoulfriends Just Want to Have Fun, Hexiciah is consistently referred to as Hexicah, possibly an error or preliminary name.
- He has been alive for several centuries.
Media Appearances
Hexiciah debuts in diaries and books before appearing in TV specials.
- Early July 2012: Diary debut in Robecca Steam's 'Between Classes' diary.
- April 2013: Ghoulfriends Just Want to Have Fun.
- March 2014: Semi-debut in 'Frights, Camera, Action!'.
- September 2014: Proper debut in 'Freaky Fusion'.
Relationship Graph
G2FAQ
Who is Hexiciah Steam?
What is Hexiciah's monster type?
Part fae and human, considered a hybrid.
Who voices Hexiciah Steam?
Dave B. Mitchell.
What is Hexiciah's relation to Robecca Steam?
He is her father and creator.
Did Hexiciah know Headmistress Bloodgood?
Yes, they were close friends and may have had a romantic relationship.
Where did Hexiciah explore?
The Catacombs under Monster High
What is Hexiciah's first appearance?
Robecca Steam's 'Between Classes' diary in 2012.
How long has Hexiciah lived?
Several centuries.
References
Explore Related Pages
Jump between generation profiles, special topics, and the doll visualizer.
About Hexiciah Steam
Hexiciah Steam is a Monster High character featured in Generation 2. This profile covers monster heritage, role in the story, and how they connect to other characters in the Monster High universe.
Want to explore more? Browse the full G2 characters list (A–Z) or check the G2 vs G3 comparison.
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