West's huge fundraising haul — which rivals or bests well-funded Senate candidates, in some instances — is likely the byproduct of his national following. A regular on the talk-show circuit, West regularly makes headlines and generates controversy.

Just this week, West raised eyebrows when he compared Social Security's disability insurance to a form of "21st-century slavery." West has used slavery rhetoric repeatedly to describe government programs; in June, he accused President Obama of wanting American voters “to be his slave and be economically dependent on him.”

That fiery rhetoric has made him a popular figure in Tea Party circles. At an event Monday in Colorado, a supporter at a town hall meeting told Republican presidential candidate Mitt Romney that West would "be a great vice president. He's a fighter, and that's what we want."

“All suggestions are welcome," Romney replied.