Check bulbapedia, and yes
at level 20 wooper evolves in quagsire but quagsire does not evolve after it. It is the last evolution.
In Pokemon diamond and pearl golem learns earthquake at level 33
It doesn't on dimond/pearl/ plat. You would have to give it the TM
Wooper is classified as a Water Fish Pokemon. At level 20, Wooper evolves into Quagsire. Some moves Wooper can learn include bulldoze, and earthquake.
Quagsire cannot learn Hydro Pump.
He has a Gyarados, Quagsire, and a Floatzel
In Pokemon Diamond & Pearl, Wooper evolves into Quagsire at level 20.
No level. A Quagsire can't learn Ice Beam by normally training. You can however, buy Ice Beam at the major store/mall in the game (Depending on what game you're playing).
- Water Gun - Tailwhip 11 Slam 16 Mud Shot 23 Amnesia 35 Yawn 42 Earthquake 49 Rain Dance 61 Mist 61 Haze
No, Darkrai is not able to learn Earthquake.
Yes, Gallade is able to learn Earthquake through the use of the Earthquake TM.
Gastrodon does not learn Earthquake naturally, but it can learn it through use of a TM.