|First Appearance||Mario and Luigi Partners in time|
| Princess Shroob|
Elder Princess Shroob
Princess Dr. Shroob
Elder Princess Dr. Shroob
|Latest Appearance||The ultimate crossover|
Dr Shroobs are yellow Shroobs from Mario and Luigi Partners in time.
Dr. Shroobs can been seen in the Vim Factory. And they have one red mushroom that can turn them big and a green mushroom that can turn them small.