My top four are
Ameraucanas (Blue wheaten are my fav.)
Bantam Cochins
English Orps. (Not those dinky hatchery ones. And absolutely NOT buff. 🤢🤮)
and a tie between Legbars, Silkies, Polish, Brahmas, Houdans, Sultans, OEGB, brahmas, Marans, sussex, dominiques, d'Uccles, d'Anvers, Wyandottes, and...