Washington (CNN) Bernie Sanders says he won't launch a Super PAC and doesn't want billionaires to bankroll his campaign for the Democratic presidential nomination.

The Vermont senator who entered the 2016 race for the White House on Thursday told CNN's Wolf Blitzer in his first interview as a candidate that he'll instead look to small-dollar individual donors.

And he lambasted the growing influence that major donors like Charles and David Koch on the right and Tom Steyer on the left now have on the political process.

"Frankly, it is vulgar to me that we're having a war of billionaires," Sanders said.

Asked whether he would bless a wealthy donor's support for a pro-Sanders Super PAC, he said: "No."

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