She is an artist who appeared in the street one day and starts making Papier-mâché doodles infront of the Panaderia. When Chema discovers her she appologises of being there without asking for permission. Chema says it's okay and lets her create more things from the material. As thanks Celeste gives him a doodle and starts making actionfigures of Chema, Robberto, Ruth and...... Espinete. But she gives this action figure as last, because it's a present for Espinete.
Celeste only appeard in the episode La Luna Payasa.