Transformers OC busts sketch

Did this on the flight on the way back home..It was a long flight and one of the trips I definitely wish I could have stayed longer.....
Anywho ALOT of people I watch post Transformers fan art and OC transformers,so I figured I\'d toss my hat in.This is only my second TF pic so please bare with me
These are my own OC..now let's meet the cast
A.Oni-Shogun
B.Mayhem-Smash
C.Acid Butterfly
D.Deep
Transformers © Hasbro
sorry for the scanner quality