The term chimera has come to describe any mythical or fictional animal with parts taken from various animals, or to describe concepts perceived as wildly imaginative or implausible.)
Napalm ik, I'm crazy...
Sarin (highly toxic substance)
Cyanogen (also toxic)
Hydralisk (Blizzard will sue me for this )
Hydrazine, a highly toxic and flammable liquid. Also the name of an antidepressant