I think he is taking it from the Fire Emblem crossover
If the Skullgirls DLC fundraiser thing get $10,000 in 30 minutes, another fan picked character will be added.
also if you want to vote just donate $1
Wasn't it at 780,000 only 2 hours ago... ? And on that note, donations jumped up by $900 over the past minute. I wouldn't be surprised if mystery character #2 happens in the last few minutes.