Luca Varnous is a supporting character in Alchemist Marie & Elie: Two People's Atelier.
Luca, alongside his twin sister, is a child prodigy studying at the Salburg Academy. In contrast to his sister he is shy and reserved, and harbors doubts if he even really wants to become an alchemist.
Luca and Chris run their own workshop on Artisan Road, and he is one of the game's many alchemists. He can be hired as an adventurer, and sells alchemy items. At tea time he'll share the recipe for Apple Pie.