He is huge and he is green but this green hero is surely not mean because this Marvel superhero is here to protect the world and the human race.
The Hulk is perceived to be a combination of the characters Dr. Jekyll, Mr. Hyde and Frankenstein. This is because the Hulk is a physicist, Dr. Bruce Banner, who was exposed to a gamma bomb that he invented. This created his alter ego which he transforms to involuntarily and losses any memory after he reverts back to his normal self.
This raging monster draws his strength from several strong emotions like anger and grief and these emotions also trigger the transformation.
With a character like that, who would not find him interesting? That is why many people love to dress up as the incredible hulk.
but no need to uncomfortable being half naked in a hulk costume, there are many variations that has inflatable hulk suits to give the same hulk look without showing of too much skin. As a matter of fact, this has been a popular pick during Halloween.
Do not worry if that body is not too big for Halloween. Just wear those inflatable hulk costumes and walk the streets as the incredible Hulk.