or honey badgers!
Or Orcas!
or... blob fish :)
maybe you should make a spidertron with shorter, more proportional legs that actively chases you down. that'd be cool!
Maybe a Spidertron Facehugger, if it catches you, you wil die, and from your body will emerge a different variant of Spidertron! I think MOST of the people here will understand that reference...
alien, tho
I like the idea of the sapper