Olive is a male olive flower Fairilu. He possesses teal wings, teal eyes, and short teal hair swept into a right-swept bang. His attire includes a laurel-like wreath, a long-sleeved tunic with a white collar and yellow bottom trim, brown stockings, brown boots, and a light blue cape. His teal Fairilu Key has a heart-shaped handle outlined and adorned with an olive crest and yellow gem, sitting atop a smaller heart with a small wing; the key's teeth form a capital "F" on its side.

Olive is kind, helpful, smart, and sensible, traits making him popular among Fairilu girls. He finds deep satisfaction in encouraging others and offering assistance. His primary dedication is supporting Fairilu Gole, driven by a desire to contribute to Little Fairilu's well-being and aid in protecting their world.

He forms meaningful relationships, notably developing a close friendship with the red spider lily Fairilu, Higan. Their bond stems from shared quiet and studious natures, mutual appreciation, and Higan's interest in spending more time with him.

Olive remains focused on communal support and stewardship. He engages in tasks safeguarding Little Fairilu, often participating in efforts reinforcing the environment's safety and harmony alongside Fairilu Gole. This consistent role emphasizes his reliability and dedication within the Fairilu community.