Ditto to Whatfly.

Brahma, Coq-de-leon and "Softhackle" is an identification of 3 seperate genetic strains that are very different in certain ways. Although the general term "softhackle" can be used to label your genetic chiicken hen of most US strains as well.

Chickabou is just the term/brand label that identifies a specific area of feathers found on all chickens.