Oliver Spring is Charlie and Tori's youngest brother. He is a supporting character in Solitaire and Heartstopper, as well as a protagonist in This Winter. He loves tractors and Mario Kart Wii.
Contrary to his siblings, Oliver is a very cheerful and energetic boy. Tori points this out in This Winter, where she calls him the "embodiment of joy" and her and Charlie "miserable fucks".
- In earlier versions, Oliver's eyes used to be blue.
- Oliver immediately takes a liking to Nick in Heartstopper.
- Oliver will start to take piano classes, later he'll get into musical theatre and start attending a youth theatre class, when he’s a bit older, he'll take singing lessons. (from Alice's Tumblr blog)
- Oliver will eventually be the tallest sibling, despite being the youngest as well.