Robotics & Drones

Rongzhong Li

Petoi Bittle programmable quadruped robot dog

China · United StatesEvidence: high confidenceChecked July 2026

Person-specific Petoi founder photograph showing Li with his robot pets. Rights remain with the source or photographer.

Who is Rongzhong Li?

Rongzhong Li is an inventor associated with China and United States. Their documented work in robotics & drones includes Petoi Bittle programmable quadruped robot dog, the contribution at the center of this evidence-backed profile.

Rongzhong Li began hand-building a small self-balancing robot cat in 2016, published the design as OpenCat, and developed it into Petoi's Nybble and Bittle programmable quadrupeds. Bittle packages a jointed body, servo drivetrain, inertial sensing and user-programmable control into a palm-sized physical robot that students and makers can assemble, train and extend.

Known forPetoi Bittle programmable quadruped robot dog
FieldRobotics & Drones
Associated withChina and United States
Evidence reviewed3 sources
01

What did Rongzhong Li invent?

Created the OpenCat quadruped platform, built its first robot-cat embodiment, and invented patented legged-robot structures later productized as Petoi's Bittle and Nybble kits.

02

What did Rongzhong Li accomplish?

Bittle's Kickstarter raised $567,000 from 2,052 backers, and Petoi reports shipping more than 30,000 OpenCat-powered robots to customers in over 60 countries.

03

What is known about Rongzhong Li today?

On June 7, 2025, Li personally posted technical NyBoard replies in Petoi's official support forum; Petoi also continues to list him as CEO and OpenCat's creator.