The blonde one would have been a midget had he crushed it doggy style and she wasn't a mute...
BTW Xerxes, Achondroplasia is the most common type of "midgetry"...dwarfism...aka midget face, curved spine proportionate head...
The kinds where they are small all over in proportion can be a number of different reasons..there are over 200 kinds of dwarfism...