Any spikey ones, normal scaled or Dunner. Here are a couple that I raised in the past. They were normal scaled dragons bred from a leatherback X normal red/orange dragon. They had leatherback siblings as well.
https://www.beardeddragon.org/media/30056/full
https://www.beardeddragon.org/media/29970/full
https://www.beardeddragon.org/media/30056/full
https://www.beardeddragon.org/media/29970/full