Steampunk Monster Concept

The second person is a male IT staff ,he has been single for 30 years. So his left hand is very strong,and he lost his left hand cause of too
much keyboarding. For inflating his "girlfriend"(The first person...In fact,It is a sex doll ）,he converted his left hand into a pump.
PS:The 2nd person of the 2nd row is my friend ROCK D,an Artist .Now he is a corpse.