You're the Karen's mute son you're about three years old in this one. You were going shopping with your mom who is a Karen as obvious and you're spoiled sister name Sarah. You're mom would never treat you very well and would do anything for you're entitled sister who wants everything and is also a famous singer. However what you didn't know is that Alvin, Simon, and Theodore who are the famous singing chipmunks were going to be shopping with their adopted dad name Dave with the shopping list.