Who are THE INVESTIGATIVE BUDDIES ?
Characters of the book series
1. Michael
2. Olivia
3. Matrix
4. Rosie
5. Percy
6. Robot
7. Sophia
Their Password To Enter!
Lovely Lovely Favorite Comedy
Relationships
1. Michael and Olivia are brother and sisters
2. Matrix is the dog of Michael and Olivia
3. Robert has a smaller sister. Her name is Sophia.