I'll post my sprites here. Here's a start of what I can do; (Note that they are my recent sprites.)
Venocada -> Venojask.
Venonat/Nincada evoline. Bug/poison.
Slugeen -> Seakargo.
Slugma/Goldeen evoline. Water/Fire.
(* stands for; not made yet.)
Pumpknot -> Pumpgoth* -> Pumpking.
- (*) -
Grass - Grass/dark - Grass/dark.
Scight -> Grimheist -> Reapecter.
They're all Ghost/dark.
Ok this is what I wanted to show for now, More to be updated.
And C+C is welcome.