
Bully
H25 - Hydrogen Sulphide

Dr Dark
(CH3)3N - Trimethylamine

Envy
HCHO - Formaldehyde

Grumpy
SO2 - Sulphur Dioxide

Guilty
CH3CHO - Acetaldehyde

Psycho
(CH3)2S - Dimethyl Sulphide

Rudy
NO2 - Nitrogen dioxide

Selfish
(CH3)2S2 - Methyl Disulphide

Spoilt
NH3 - Ammonia

Thief
CH3SH - Methyl Mercaptan

The Stinkers live in a ball of Stench. Their population grew too big and this created combinations of toxic gases that even the stinkers could no longer tolerate.