The main characters in Robot Cat are Robot Cat, Nobita, Jingxiang, Pang Hu and Xiaofu. Actually, the robot cat is just the name of Chinese mainland, and it is called Doraemon in other places. Robot cat is a kind-hearted and helpful robot cat. Every time Daxiong is in trouble, he always takes out tools from his treasure bag to help Daxiong. Although I sometimes use stupid methods to help Daxiong, I am still Daxiong's best partner. When he can't eat bronze gongs or people call him civet cat, his temper will be very violent.

Daxiong is a naive optimist, fooling around all day. Still a unlucky guy, his luckiest place is probably meeting a robot cat. Daxiong has many shortcomings, weak personality and little courage. He is often bullied and only knows how to escape when encountering problems. I often talk big when I am excited, but then I cry to ask for the robot cat, which makes the robot cat have a headache, but the robot cat will help Daxiong to find a solution.

Jingxiang is Nobita's childhood sweetheart and Nobita's future wife. She is not only clever and clever, with excellent grades, but also kind-hearted, and she is also a classmate of Daxiong.

Pang Hu is a wayward, arrogant and greedy king of the children. Because he is big, he often bullies others, always takes things for himself, and never returns what he lent him. Although he is a very overbearing person, he attaches great importance to friendship unexpectedly. Born tone-deaf, with a voice like a pig, I want to be a singer. People are often forced to attend his concerts, and Pang Hu's singing is everyone's nightmare.

Xiao Fuxiong's classmate, a rich boy, looks like a fox and is very narcissistic. He usually likes to brag, and in most cases he feels too good about himself, but he is distressed by his short height.