Provided is a robot. The robot includes a main body provided with a traveling wheel and a traveling motor for rotating the traveling wheel, a seating body including a seat body and disposed above the main body, a seat body actuator for operating the seat body, a plurality of accessories selectively mounted on an accessory mounting portion disposed on at least one of the main body or the seating body, and a processor for controlling the traveling motor and the seat body actuator based on a type of accessory mounted on the accessory mounting portion.