Considering a venture into Cichlid keeping - help planning an aggressive community

So I've been looking into cichlids recently, and I've kind of fallen for these flowerhorns; however, I am not looking for another species tank. I was hoping to start another aggressive tank. I have a 144 gallon semi-circle tank that I was planning on using for a native tank, but I wondering if it would work for this. Ideally, the stock would consist of
- Red Dragon Flowerhorn
- Jack Dempsey (ideally electric blue)
- Green Terror
- Tiger Oscar
- Some sort of Pike Cichlid

The plan would be to buy all as babies between 2-3" long and grow them for a few months in a 40 breeder before transferring them to the 144 gallon.

Is this a formula for total disaster? Are there any other similarly tempered cichlids that could work in this tank?

Thanks for any help!
- John

So I'm pretty close to a 100% fail here with the flowerhorn agro community it seems.

May have to move to another section, just because my other ideas for cichlid communities do not include a flowerhorn...... Although, say I tried this, and it does fail when the FH gets larger, would he still display this kind of aggression if I threw him in a 180 (or 240 if it's running by this time) whose stock included larger, meaner fish? - silver arowana, Odoe pike, common wolf fish, and a rtc...

Ok, I made a purchase. Most of this mix feels like a bad idea, but if by some miracle it works out, this will be the prettiest collection of fish I've ever had in a tank:
1. Red Dragon Flowerhorn
2. Jack Dempsey
3. Green Terron
4. Polleni Cichlid
5. Texas Cichlid
6. Nandopsis beani "Rio Panuco, Mexico"

all fish should be arriving around 2-2.5" long. I was initially thinking of starting them all out in a 40 breeder and transferring them to my 144 gallon when they get a bit bigger, but I started wondering if it wouldn't just be better to put them directly into the big tank.

Thoughts?

If i notice they're being beaten up, I could take out the JD and the GT and grow them out in the 40br if need be.

What's the growth rate like on those two? 1/4-1/2" per month? The flowerhorn is going to grow a lot faster than that isn't he....