The yellow egg has a common name, Pikachu, which is a character in the Japanese animation game "Pet Genie". Pikachu is a lovely little squirrel. It has big round eyes and a red face, and its whole body is covered with soft yellow hair.

Among the pet elves, Pikachu is an important partner of the protagonist Pikachu, and they have experienced various adventures and battles together. Pikachu is loved by many spectators and players because of its yellow appearance and strong electrical ability.

In addition to appearing in animation and games, Pikachu has also become one of the representative images of pet elves, often appearing in various commodities and publicity activities, such as toys, stationery, clothing, food and so on.