Diederich is a German noble who has helped the Phantomhive family for many years. He is known for being a chubby middle-aged man, but he can actually move very fast, surprising most people. His main story takes place in the "Witch's Curse Arc," where he helps Ciel Phantomhive and his friends escape from German soldiers. Diederich has been close to the Phantomhive family since his youth, having been a classmate and dorm mate of Vincent Phantomhive at Weston College. Even after Vincent's death, Diederich continues to support Ciel, showing how deep their bond is.
Diederich is a plump, middle-aged man.
Despite his round figure, he is quite agile and quick when he needs to move.
When he was young, he was thin and had the look of a serious, handsome young man.
His appearance changed a lot as he got older.
Diederich is loyal and very dedicated to helping the Phantomhive family.
He is sometimes strict and a bit stiff, especially when he was younger.
Despite his serious attitude, he always tries to support his friends, even if it puts him in danger.
He dislikes losing, especially to Vincent, but turns his losses into strength to help others.
Diederich is a baron from a rich German noble family.
He studied abroad at Weston College in England.
During that time, he and Vincent Phantomhive were classmates, and they stayed in different dorms.
After losing to Vincent in a cricket match, Diederich became an unofficial dorm mate and started helping him.
He kept working with the Phantomhives, even after Vincent died.
Even though he looks heavy, Diederich is surprisingly fast and nimble.
He is not easy to catch, and his speed is a big advantage when he helps in dangerous missions.
He also knows a lot about sneaking around and supporting people in secret.
Diederich is a long-time friend and helper of the Phantomhive family.
He first met Vincent Phantomhive at school and became close to him, helping with secret missions.
He also knows the young Ciel Phantomhive and has helped him several times.
His connection with the family started in school and has lasted for many years.
Early School Days
When he was young, Diederich studied at Weston College in England.
He was a prefect of the Emerald Lion Dorm.
Vincent Phantomhive was the prefect of the Sapphire Owl Dorm.
They competed in cricket, and after losing, Diederich had to serve as Vincent’s unofficial dorm mate.
Supporting the Phantomhives
After school, Diederich stayed close to the Phantomhive family and often helped with difficult tasks.
He built a special trust, becoming someone the family could rely on for important chores and secret jobs.
Witch's Curse Arc
In the "Witch's Curse Arc," Diederich saves Ciel Phantomhive and his group from German soldiers.
He uses his skills and speed to help them escape and make it back to England safely.
His clever actions play a key role in keeping them out of trouble.
Other Story Appearances
Besides the main arc, Diederich also shows up in early episodes, as well as flashbacks in the "Public School Arc."
These appearances show his long relationship with both Vincent and Ciel, and even as a slimmer young man, his loyalty was clear.
His story highlights how he has known Ciel since childhood.
- Diederich's look changed a lot—from a slim and strict student to a chubby, quick-moving baron.
- He came from Germany but spent important years studying in England.
- He lost a cricket match to Vincent Phantomhive, which led to a strong and lasting friendship.
- He lives a rich life but is willing to dirty his hands for his friends.
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