(I don't own this picture. All Rights go to the owners.)

Name: Luke
Age: Same age as Sofia
Gender: Male
Species: Human
Appearance: Season 1: Short blue hair, light brown color eyes and wears a white tank top, black ripped pants, light brown boots, a navy-blue jacket, an orange crystal bracelet, gray leather fingerless gloves, a light purple star pendant, a gray beanie, light brown goggles and silver ear cuffs.

Season 2-3: Short blue hair, light brown color eyes and wears a light red tank top, light brown pants, dark green boots, a gray jacket, an orange crystal bracelet, dark blue and light brown striped armwarmers, a light purple star pendant, a gray beanie, light brown goggles and silver and light green ear cuffs.
Personality: Has the same personality as Tari and sometimes has the same personality as Sofia
Crush: Sofia Porter (Best Friend and Secret Crush)
Friends: Meta Runner Allies
Enemies: Meta Runner Enemies
Family: Tari (Sister Figure)
Others: Likes inventing in his free-time.

Sounds like Mitchell Hope