Black Scorpion Ninjutsu Society | Authentic Martial Arts & Self Defense in Madison, TN

a couple of Ninja Training at Cedar Hill Park in Madison Tennessee

Welcome to the Black Scorpion Ninjutsu Society, Madison’s premier destination for traditional and modern martial arts training. Led by Bobby Calvert—widely known as "Ninja Bob, the Original Nashville Ninja"—our program delivers functional, street-smart self-defense rooted in centuries of Ninjutsu tradition.

Whether you are looking to build ironclad self-confidence, master situational awareness, or train with specialized martial arts weaponry in a controlled, supportive environment, we offer flexible training paths designed for every skill level.

Primary instruction is tailored for adults (18+). Families and younger students are welcome when accompanied by a participating adult.

- Cedar Hill Park in Madison, Tennessee, is a popular 144-acre Metro Nashville park located at 860 West Old Hickory Boulevard, open daily from 6:00 AM to 11:00 PM


Picture of the lake at Cedar Hill Park in Madison Tennessee

Train at Beautiful Cedar Hill Park in Madison, TN

  • We hold our Madison sessions in the open air at scenic Cedar Hill Park. Spanning 144 peaceful acres, Cedar Hill provides an ideal natural backdrop for physical conditioning, tactical movement, and practical skill development.

    • Location: 860 West Old Hickory Blvd, Madison, TN 37115

    • Atmosphere: Outdoor, dynamic, focused, and adaptable

    • Skill Level: Open to beginners and seasoned martial artists alike

 

- Cedar Hill Park self-defense bootcamp Madison TN


Flexible Martial Arts Training in Madison, Tennessee

We tailor our instruction to fit your personal goals, learning pace, and schedule:

  • One-on-One Training: Dedicated, personalized attention to fast-track your progression and zero in on your exact self-defense objectives.

  • Small Group Classes: A tight-knit, supportive community environment where you can drill techniques, spar safely, and push your limits alongside fellow practitioners.

  • Private Lessons: Fully customized instruction scheduled around your availability for focused, individual skill-building.


What We Teach at Cedar Hill Park

Our curriculum bridges classical battlefield disciplines with modern self-defense realities. You will master effective movements engineered to keep you safe when it matters most—without unnecessary fluff or theatrical choreography.

Traditional & Modern Ninjutsu

  • Classical Fundamentals: Learn historical movement, evasion tactics, footwork, and body-shifting (taihenjutsu).

  • Modern Adaptation: Apply ancient principles to contemporary real-world threats.

  • Unorthodox Tactics: Master practical, high-percentage self-defense and survival skills designed to quickly neutralize aggression.


One-on-one personalized martial arts and weapon defense instruction outdoors

🥋 Martial Arts & Self Defense in Madison, TN.

  • Traditional Ninjutsu: Learn historical stealth, evasion, body-shifting (taihenjutsu), and striking techniques rooted in ancient Japanese traditions.

  • Modern Ninjutsu: Adapt classical principles to contemporary, real-world self-defense scenarios.

  • Practical Skills: No fluff or flashy choreography—just efficient, high-percentage movements designed to protect yourself and your loved ones.

  • Unorthodox "Dirty Fighting": Master pragmatic survival tactics that throw standard rules out the window to neutralize threats quickly and decisively.

- Open-air martial arts and conditioning Cedar Hill Park TN


Japanese ninja weapons and equipment laid out on the leaf-covered ground in a cartoon-style illustration. The gear includes a katana, a bow and quiver of arrows, shuriken (throwing stars), kunai, a grappling hook with rope

⚔️ Safe, Specialized Martial Arts Weapons Training

Build body coordination, spatial awareness, and confidence through specialized weapons training.

  • Diverse Arsenal: Experience training with the staff (bo / hanbo), blade concepts, impact tools, and traditional instruments.

  • 100% Safe Equipment: Safety is our top priority. All sessions use 100% practice equipment (wooden, padded, or high-grade rubber tools) so you can build authentic muscle memory and handling skills with zero risk.


Head instructor Bobby Calvert, Ninja Bob, teaching a class in Madison TN

Meet Your Instructor: Bobby Calvert (Ninja Bob). 

With decades of dedicated martial arts practice and instruction across Middle Tennessee, Bobby Calvert—affectionately known as "Ninja Bob"—brings real-world experience, direct instruction, and deep passion to every class. His approach focuses on making functional martial arts accessible, practical, and fun for the local community.

- Black Scorpion Ninjutsu Society Cedar Hill Park


Head instructor Bobby Calvert, Ninja Bob, teaching a class in Madison TN

Start Your Martial Arts Journey Today!

Take the first step toward transforming your fitness, mindset, and personal protection skills.

  • Address: Cedar Hill Park – 860 West Old Hickory Blvd, Madison, TN 37115

  • Next Step: Contact us today to check schedule availability, discuss private instruction, or join our next small group session.

- Neighborhood self-defense and martial arts meetup Cedar Hill Park

 

Cedar Hill Park is located at 860 West Old Hickory Boulevard, Madison, TN 37115