[Lawtan]

Umm...the hide thing is kind of difficult to imagine - no hide I know of is that strong in real life. I mean, perhaps deflecting once...but hide is not the toughest of materials. Were they metalloid robo-demon-hellhounds with regenerating metal, it would make more sense...
*Is now going to look up the species that could survive in space to use as reference to hellhounds.*
Umm...animals often fling things if there is weight attached to them *Looks at German Shepherd tugging and snapping at food*