William T. Deutschendorf Biography: Net Worth, Age, Brother, Movies, Girlfriend, Ethnicity, Awards, Height
William T. Deutschendorf is an American former child actor and martial arts instructor.
He is best known for sharing the role of Baby Oscar in Ghostbusters II (1989) with his identical twin brother, Henry J. Deutschendorf II.
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After his brief acting career, he developed a professional path in martial arts and became a chief instructor and owner of a martial arts academy in San Diego, California.
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| Name: | William T. Deutschendorf |
| Born: | April 29, 1988 (age 38 years old) |
| Place of Birth: | Los Angeles, California, United States |
| Nationality: | American |
| Parents: | Ronald Deutschendorf, Terri Deutschendorf |
| Siblings: | Henry J. Deutschendorf II |
| Occupation: | Former Actor, Martial Arts Instructor |
| Net Worth: | $1 million |
Early Life and Education
William T. Deutschendorf was born on April 29, 1988, in Los Angeles, California, to Ronald Deutschendorf and Terri Deutschendorf. He grew up with his twin brother, Henry John Deutschendorf II. The twins entered acting as infants when they were cast together as Baby Oscar in Ghostbusters II.
William later concentrated on martial arts rather than pursuing a conventional acting career. His educational background includes studies at the University of California, Irvine, while his professional development has centred heavily on martial arts training.
He holds black belts in Shaolin and Hawaiian Kempo and has trained in Kung Fu, Wing Chun, Brazilian Jiu-Jitsu, Muay Thai, catch wrestling, and mixed martial arts.
He is of German-American ancestry and comes from a Christian cultural background.
Career
William T. Deutschendorf made his screen debut as an infant in Ghostbusters II (1989), where he and his twin brother alternated in portraying Baby Oscar, the infant son of Dana Barrett.
The film became his sole credited acting role, and he did not pursue further child-acting opportunities as he grew older.
Instead, he developed a strong interest in martial arts alongside his brother and eventually turned that passion into a profession.
Deutschendorf became a martial arts instructor and helped establish West Coast Martial Arts Academy in the San Diego area.
He became the school’s owner and chief instructor, teaching disciplines including Kempo and other combat systems while competing in several forms of martial arts.
His work has included self-defense education, youth training, community programmes, and charitable activities, giving him a career identity far removed from his brief childhood appearance in Ghostbusters II.
Personal Life
William T. Deutschendorf, born on April 29, 1988, is 38 years old. He has not publicly established a spouse or current romantic partner, and no confirmed previous relationships are widely documented.
Deutschendorf is strongly associated with martial arts instruction, competition, fitness, and self-defense training.

Filmography
- 1989: Ghostbusters II — Baby Oscar
Net Worth
William T. Deutschendorf has an estimated net worth of $1 million. His early acting work provided his initial entertainment connection, but his principal professional income has come from martial arts instruction, academy ownership, training programmes, and related activities.
His long-term work as a martial arts educator has formed the foundation of his career and financial standing.
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