You can complete the song adding:
- I´m a bat, I´m a little bat
- I´m a rat, I´m a little rat
- I´m a black cat, I´m a little black cat
- I´m a mummy, I´m a little mummy
- I´m a skeleton, I´m a little skeleton
- I´m a goblin, I´m a little goblin
- I´m a spider, I´m a little spider
