If they have short legs I think that they are Japanese Bantam mix with something else.
They could also be serama bantams. Do a web search for these 2 breeds and see if they look anything like yours.
All appear to be mixed breed. The first has a mille fleur pattern. If any have feathered legs, I's say d'uncle, if not, maybe old English game bantam mixes. All 3 are roosters.