Jake is a light-skinned boy with a light-blue denim vest, a white hoodie sweatshirt with a red shirt underneath, a red cap with "Sub Surf" on it, with the letters of the old Subway Surfers logo, with green and red shoes, and light-blue jeans. He has brown eyes.

Callum is the first Subway Surfers character that identifies with they/them pronouns, the second is Bob the Blob and the third is Charlie. In a SYBO TV video it stated that Callum is a boy, which Callum is in the Chinese Edition. It was later confirmed they were non-binary.