How about the EarthHammer?
I also had a childish thought of naming it something along the lines of farting....
Aside from that, 3 Basilisk Turrets? seems alright, although a little lite for a Super Heavy. How about modded Earthshakers, and knock em down to 2 or 1? Modded Earthshaker meaning like a Strength 9
AP 1 or something along those lines, and with a 7" or 10" blast radius?
But then again this is all in theory, and I dont know what other things it would have on it, its supposed
AV, point cost, transport capacity, special abilities etc...