Cut the octopus, tofu, onion, green onion, and carrot into bite-sized pieces.
Blanch the octopus briefly in boiling water, then drain.
Heat oil in a pan and stir-fry the green onion, onion, and carrot.
Add the tofu and stir-fry until excess moisture evaporates.
Add the rice and octopus, then season with soy sauce and salt.
Pour beaten eggs around the edge of the pan, stir everything together, and finish frying.