Each Giga Pet plus offers multiple pets / characters. The middle button on them all is a light. They all have really nice graphics and sound. Supposedly they also respond to voice.
6 characters. Keep as many happy as you can!
Keep as many as you want also.
Another one where you can choose as many as you want to keep happy.
Chose from 4 pets and three crops.
Another multiple choice to keep as many happy as you want.