Olly is a very intelligent and kind boy; he is most knowledgeable about biodiversity and space science. He wishes to go on adventures like the fantasy books he reads, but he always worries and doubts himself. Has a twin sister named Dolly, and he makes sure she remembers and keeps track of what they're supposed to do. Max brings out Olly's sassier side, leading to playful arguments between them, reminiscent of an old married couple. Even though they argue a lot, he still considers Max his best friend; he inspires him to be confident like him