Gideon (after Gideon Mantell).

Dave

Iguana jones

Aladar

If you don't name at least one of these "Alidar" we can't be friends

Iggy

Farmer’s Best Friend

Marijuanadon

Mr Iggy da piggy

Demeter-after-the-Greek-Goddess-of-agriculture-for-it's-ability-to-make-seeds-from-berries

Expensive parasaur