If you’ve got a monstrous pile of old tyres hanging around your yard, then you might want to start a monster project – like putting together a lifesize Alien King xenomorph, minus the acid blood, of course, which would probably be against health-and-safety regs.
Modder Cao Shennge used 200 old car tyres to create this little masterpiece (or tires, if you are American).
What, none left over for a few Colonial Marines?
Nuke it from orbit. The only way to be sure!