In the ruin maniacs cave but first you have to show him all the unkowns (or u could use a cheat like me).
You have to go left out of Hearthome city and there is a trainer with one
if you're looking for your trainer ID- on the back of your trainer card. Your Pokemon's ID is in their summary. Hope I helped! ~Neko
the gaurdian of the hippowdon temple is cresselia.
Use a pokeball
in the Pokemon center up the escelator the last lady you find
you go battle bertha the second elite four member.
Hippopotas evolves into a Hippowdon.
The first trainer on the way to the Pokemon league has a luminion.
Use TM80 (Rock Slide) on it.
yes
no
Hippowdon is a Ground type pokemon.
in pokemon diamond you can get a black hippowdon only if you have a female hippopotas and you evolve it at level 34 because a male hippopotas is brown while the female is black
In "Diamond," you can find a trainer in the Victory Road that will have a Whiscash.
There's no Trainer Cafe on Pokemon diamond. There is only one on Pokemon Platinum.
A trainer in Iron Island has one
A Pokemon guide that you can find in the forest.