All of them are Peacocks. Pictures 1-3 look like some sort of hybrid.
Picture 6 is a hybrid. Depending on where you got them from, they are called Fire Fish. I have also seen them called Strawberry and Dragon Blood Peacocks. The Actual Strawberry and Dragon Blood or red instead of orange.
The last picture looks like Red Shoulders, but they are Juiced up on Steriods to get a faster sale in the Pet Shops. In about a month they will lose that color unless you keep juicing them up. Male peacocks do not start coloring up until 3-4" and usually do not get that vibrant until 4"+.
I have seen some Haplochromines start coloring up around 2.5", but still no vibrant colors until 4"+.
Looks like one of the peacocks (picture 4) could be a sunshine peacock. I see some yellow starting in the body.