Kilrathi Greebles are lots of fun. No rhyme or reason, just fun shapes!
Trying to add little bits of foreshadowing of WC3 designs here and there. The "Handle" between the engines is specifically supposed to foreshadow the Fralthi II and Hvar'Kann engine section.
WC2 ships are a different story, Kilrathi in their "round phase" will be a bit tougher to incorporate into the design timeline!