Left: Dan Sullivan, who wanted to run as a candidate in Alaska. Right: incumbent senator Dan Sullivan.Composite: Sullivan for Senate, CQ-Roll Call via Getty Images There will still be one Dan Sullivan on the ballot, but election officials in Alaska determined a second man by the same name cannot run against him in the high-stakes Senate race. A man named Dan Sullivan, or Daniel J Sullivan Jr, filed to run as a Republican against incumbent Alaska senator Dan S Sullivan, also a Republican.