What cartoons have evolved people into beasts?

Digital Baby, Saint Saint, Fairy Tail and so on.

1, Digitmon: This series tells the story of a group of children fighting with Digitmon, which can evolve into more powerful forms, some of which are images of god beasts.

2. SaintSeiya: This series tells the story of a group of young soldiers who became Gold Saints. Each saint represents a constellation, which can evolve into the form of a god beast related to its constellation.

3. Fairy tail: Some characters in this series can evolve into the image of a beast by using magic, and gain great strength and ability.