Lubba, a large Luma tries to serve its master Rosalina. It is a mechanic, engineer and pilot. It is best known for its work on Starship Mario. It gives Mario information on what happens. It tends to make jokes like calling Starship Mario a faceship. Lubba also watches over Mario, telling him that he should take breaks often.
Lubba is a Purple Luma with light blue eyes and some blue pants. It also has a pink orb on his head while it's shining. Its pants have a checker-like pattern of dark and light blue diamonds, along with dark blue stitches at the elastic of the pants.