Black Scorpion Ninjutsu Society | Authentic Martial Arts & Self Defense in Nashville, TN
Welcome to the Black Scorpion Ninjutsu Society, Nashville's premier destination for traditional and modern martial arts training. Led by Bobby Calvert, widely known as "Ninja Bob, the Original Nashville Ninja," our society offers practical, street-smart self-defense combined with the deep, historical roots of Ninjutsu.
Whether you want to build ironclad confidence, learn effective personal protection, or master traditional weaponry in a safe environment, we have a training format built specifically for you.
Students practicing martial arts techniques outdoors at Shelby Park in Nashville
Train at Beautiful Shelby Park in Nashville
We proudly hold our outdoor training sessions at the scenic and historic Shelby Park in East Nashville. Surrounded by nature, open green spaces, and views of the Cumberland River, our outdoor training grounds provide an invigorating and focused atmosphere for physical conditioning and skill development.
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Location: Shelby Park, Nashville, TN
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Atmosphere: Outdoor, focused, and dynamic
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Suitability: All fitness and experience levels welcome
- Designed for adults ages 18 and older (families and children are warmly welcomed when accompanied by a participating adult)
⚔️ Weapons Training in Nashville, TN (100% Safe)
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Diverse Arsenal: Train with traditional and modern martial arts weaponry, including staff, blade concepts, impact tools, and more.
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Safety First: All weapons used during training are 100% practice weapons (rubber, padded, or wooden training tools) designed to ensure zero risk while building authentic muscle memory, coordination, and handling confidence.
Meet Your Instructor: Bobby Calvert (Ninja Bob)
With decades of dedication to the martial arts community in Middle Tennessee, Bobby Calvert—affectionately and proudly known as "Ninja Bob, the Original Nashville Ninja"—brings a wealth of knowledge, gritty experience, and passion to every single session. Bob’s teaching style focuses on making martial arts accessible, highly practical, and deeply rooted in the Nashville local culture.
Start Your Journey With Ninja Bob Today!
Develop tactical awareness, real-world defensive capability, and adaptive combat skills under Nashville’s premier martial arts instructor.
Enrollment & Inquiries: Contact us today for class availability, small group training, or specialized private instruction.
Location: Shelby Park | Nashville, TN
Forge absolute discipline. Master high-efficiency self-defense and dynamic combat tactics with the Black Scorpion Ninjutsu Society. - Master Unorthodox Combat Under Ninja Bob, Nashville!
Nashville Class Pricing & Offers
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Free Introductory Lesson: Your first lesson is always free so you can see if the class is the right fit for you.
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Standard Tuition: Normal monthly tuition is $68 per month.
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Seasonal Promotions: We frequently run special promotions throughout the year—lasting a couple of months at a time—offering completely free training.
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Promotion Guarantee: If you enroll in a paid month of lessons and a free training promotion begins during your time with us, you are more than welcome to take advantage of that deal!
No Politics, No Borders - Just Martial Arts and Self-Defense!
Our philosophy is simple: "No Politics, No Borders." We maintain an open-door policy, welcoming martial artists and beginners from all styles, ryu, and backgrounds. Whether you are looking to master functional combat tactics, learn traditional weapons, or build your mental fortitude and situational awareness, there is a place for you here.
Our mission extends beyond the park. We are dedicated to uplifting the Middle Tennessee community through trauma-informed women's self-defense classes, equipment donation drives, and an unwavering commitment to building self-respect and inner strength in every student.
Our Style: Kurosasori-ryū Gendai Ninpō
We teach Kurosasori-ryū Gendai Ninpō (Black Scorpion Style Modern Ninja Way). This hybrid system strips away impractical forms and heavy rulesets, fusing traditional Japanese Ninjutsu with the hard-hitting mechanics of Muay Thai, Boxing, and Judo.
Beyond empty-hand combat, joint locks, and ground survival, our curriculum preserves the rich history of classical Japanese weaponry. Students receive instruction in the Katana, Ninjatō, Hanbō, Bō staff, Shuriken, Kama, Kusarigama, and more.
Ready to Begin?
Don't wait to transform your mind and body. Claim your spot in our outdoor training sessions today.
Call or Text: 615-930-1708 or 615-946-0010
Facebook: https://www.facebook.com/p/Black-Scorpion-Ninjutsu-Society-61593625266851/
Mailing Address: Bobby Calvert aka Ninja Bob - P.O. Box 160163 Nashville, TN. 37216
Stealth. Strength. Discipline.
Shelby Bottoms Nature Center & Greenway - 1900 Davidson St, Nashville, TN 37206
You can explore nearly 1,300 acres of outdoor recreation, nature trails, and historic sites at Shelby Park and Bottoms, located along the Cumberland River in East Nashville