Hey i found this edited version of curlys machine gun (looks like curlys machine PISTOL in my opinion) from cave story.
Pic: http://www.google.ca/imgres?imgurl=http://www.the-games-blog.com/wp-content/uploads/2011/02/machine-gun.jpg&imgrefurl=http://www.the-games-blog.com/cave-story-3d-concept-art-screenshots/&usg=__ivsyDWpUv2jX20TAfFKiu_vsc4I=&h=518&w=539&sz=77&hl=en&start=28&zoom=1&tbnid=x6ivFH6N3inJGM:&tbnh=133&tbnw=123&ei=jrQYTvSzJKfZiALAg9HRBQ&prev=/search%3Fq%3Dcave%2Bstory%2Bcurly's%2Bmachine%2Bgun%26um%3D1%26hl%3Den%26sa%3DN%26biw%3D1024%26bih%3D596%26tbm%3Disch&um=1&itbs=1&iact=hc&vpx=424&vpy=238&dur=203&hovh=220&hovw=229&tx=141&ty=98&page=3&ndsp=13&ved=1t:429,r:2,s:28&biw=1024&bih=596
I HATE GOOGLE LINKS..... =.=