Someone that crushes another person with only their existence around that person with their appearance, height or frame is called mogger. Especially in pictures.
Andre the giant was a mogger, look at this picture of him with Arnold Schwarzenegger, he makes him look tiny.
1) Someone who is a nuisance to prostitutes and prevents them from getting business.
2) An extremely annoying individual who always gets in the way of everyone's happiness.
The party was going great until that whore mongler showed up and ruined everything.