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Okay Random Combaticon idea

In the dragonformers au, The Combaticons are all actual brothers. Onslaught, Blast Off, and Brawl are all from a litter and Vortex and Swindle are from the second litter making them a year apart, but the idea with Bruticus is that he is their carrier instead of their combined form. 

Not sure about the sire but Bruticus is the momther of these five boys.

Onslaught was the first to hatch in the first litter, making him like the eldest and Vortex was the first to hatch in his litter making Swindle the little Con-mech baby. 

Bruticus is a grounder dragon, as is Brawl, Onslaught, and Swindle. Whoever the sire was for the two litters was a flyer, making Vortex and Blast Off flyers.