Houndoom or Marowak?
Rage combo
these two will be paired up with ethier a discharger or a lava plumer
Houndoomexpert belt
Fire fang
Rage
Crunch/Payback
Thunder Fang/other
Most likely paired with HEATRAN

Marowak
expert belt
Rage
earthquake
doulbe edge
Other
Most likely paired with ZAPDOS

Marowak for sure

But I was wondering if get not being effected by electricy would still trigger Rage
I know it will work with houndoom, but houndoom has poorer Attack
See houndoom would use rage, Heatran Would use Lava Plume boosting Houndooms AT and fire moves
but I know what you mean by diversifing types
and I think I mean't musle band

What are their natures?

If you're using Marowak, be sure it's not going to lightning rod in zapdos' attacks. Also, use Heatran with Houndoom if Heatran has a useful Hidden Power. Really, I'd do whichever two you prefer. But me, I'd use Heatran and Houndoom.

I say the marowak/zapdos paring is better, but why run rage which gives 1 boost a turn over swords dance, which gives 2 boosts. Titan is right, run Thick club over expert belt and make sure the marowak's ability is not lighting rod. Though with thick club you can forgo SD and just start sweeping, 568 attack is good enough. Also keep in mind both share an Ice weakness.

As for the houndoom/heatran paring, both of them share 3 weaknesses. Surf,EQ will sweep both of them away. I'd run heatran as a sweeper and use the houndoom as more of a statuser/sash counter
Adamant @ flash fire
252 ATK 38HP 220 SPD
Focus sash
-Counter
-Will o wisp
-Sucker punch
-protect(to scout/block a poke trying to knock off it's sashed HP) or Fire fang/overheat, but I'd leave fire to heatran.


it's only a 10% boost to all physical moves.

Marowak doesn't need lighting rod discharges hits all pokemon in battle
but I now know that eletricty won't triger rage
The reason that I chose rage instead of swords dance is for EACH time a pokemon is attacked their AT stat is rasied one level

Now this is how it should work

T1 HD = Rage, (HT)=Lava plume, Result Now Houndoom has already recived at least 1 AT boost Plus a 50% boost in Fire Power and Depending on what else attacked him up to 2 more stat gain

T2 Repeat Turn 1 Result Now Houndoom has already recived at least 2 AT boost Plus a 100% boost in Fire Power and Depending on what else attacked him up to 4 more stat gain or maximuim stat

T3 Attack or Repeat what ever the situation calls for

Perhaps I should use a different Item on Houndoom
But Marowak will not work here

Also If I used Beat up on any pokemon that had just used Rage It would Maximise AT in 1 Turn
But to avoid Killing the Rager They would have to Have good DF Like Steelix
and the Rest of the team would have to have poor AT such as Walls and special Sweepers

No it doesn't.

Smogon's Definition of Lightning Rod wrote:

All Electric attacks, even those from your ally in 2v2, hit this Pokémon with 100% accuracy, regardless of the intended target. If a Pokemon with LightningRod and a Pokemon using Follow Me are out at the same time, and a Pokemon uses an Electric attack targeted at the Follow Me user's team, LightningRod will still take precedence and absorb the attack. Hidden Power is never attracted by LightningRod, even if Hidden Power is Electric.

Also, that sounds like a good idea for Houndoom, and for the Beat Up thing, just remember that the Houndoom will beat itself up as well unless under a status condition.

Also the Heatran and Houndoom plan you set is actually good, considering that Houndoom can't learn Swords Dance, though I sort of am still a little picky about using Rage, because it only has 20 base damage and is Normal and only has half the PP as Howl, which has the same affect except without making the weak damage.

If you do continue with Rage, battling against Rock Types will be a pain since Fire nor Normal do much damage to them.

Also you must consider that Houndoom has a greater Special Attack Stat than his Attack, with a difference of 20 base stat points. Houndoom also learns Nasty Plot, and it can learn Flamethrower, and all these factors would mean a greater damage. There are some sets here you may want to think about.

Marowak seems like the obvious choice to me.

adamant or jolly 252 attack, 252 speed, 4 hp
-earthquake
-stone edge
-iron tail
-aerial ace

lightning rod for more fun

dunno about items, but this looks decent