Do not underestimate the thumbnail. For a "4 flavours" video, your thumbnail should feature:
Mia and Valeria work because they likely have chemistry. Find a co-host who contrasts with you. One should be the "straight person" (calm, logical) and the other the "funny person" (chaotic, reactive). Conflict and laughter drive engagement.
The "4" is crucial. Do not do 3 (feels incomplete) or 5 (feels too long). Four is the perfect narrative number:
While there are several creator duos with these names, in the context of food challenges, they often fit one of these archetypes: