CRISPR proteins are proteins which cut DNA or RNA molecules. There are anti-CRISPR proteins that some viruses have that counterract CRISPR proteins in some bacteria. Source
Bleach is largely a sodium hypohclorite (NaClO) solution. The hypochlorus acid in bleach (HClO) is a strong oxidizer and does much of the work of destroying stain causing molecules. Source
Slow lorises (Nycticebus) are venomous mammals. A slow loris combines its saliva and an oil from glands in its armpits to create venom, which it administers via bite. Source