I think Hunter’s support of Huckabee goes beyond the endorsement since Hunter has appeared with Huckabee at campaign events.
You will notice that I did not include Hunter in my list. His endorsement can be understood. He's pro 2A, pro-life and he was snubbed by the party establishment, just like Huckster. Plus, Hunter has a protectionist streak in him which dovetails alright with Huckabee's populism.