Donald, The Donut.

A scientist was eating and working at the same time. Accidentally, he dropped the liquid of life into one of the donuts. The donut gained life and managed to escape from the laboratory. Over time, he was amazed by the diversity in the world. However, he noticed that everything in this world has his own group. However, He could not find from what group he belonged to. This way, he started his journey to find his group.