This article is about the fictional Spacefaring World of the Jesse Millette franchise.
However, some elements of this article may be in reference to the non-fictional beliefs held
within Astronism which should be indicated wherever relevant.
He is categorised as one of The Five Millettarian Characters alongside Jesse, Ellena, Zara, and Harriet. He is often considered the tritagonist of The Original Series after the protagonist (Jesse) and the deuteragonist (Ellena).
It is revealed in one of the books that Oliver and Jesse first met in primary school as they were sat next to each other due to their surnames residing alphabetically close to one another.