I'd like to nominate the Cicada, particularly after messing around with the free ones they've been handing out lately. This mech is horrible.
Nearly every variant is either undergunned for its tonnage or lacks the tonnage to properly take advantage of its hardpoints, like the one with 4 ballistics slots.
The mech's hitboxes are poor - mostly leg and vulnerable torsos - and the mech's profile is absurdly huge when compared to mechs 5 tons lighter. Even the fragile Jenner is small and hard to hit compared to this chicken coup on legs.
Finally, most variants lack jumpjets and ECM, so this big, blundering target is ground-bound and easily detected, and all it can hope to do is fire back with about as much firepower as mechs 5 to 10 tons lighter while presenting a much easier target to hit.
Oh, and the endless whine of the engine in the thing when running at full speed, while flavorful (it's like a bug, get it?) is annoying.
If more variants had ECM or jumpjets, it might have worked, and if one variant packed 3 or 4 decent size missile hardpoints, it could have packed a punch. Instead, you get a large, ground-bound light wanna-be.
Edited by oldradagast, 07 February 2016 - 02:11 PM.