Like Cofagrigus or Escavalier.
Yes, the anime is nonrealistic. For example, someone I fogot's name carried a munchlax on his back even though it's weight was about 2X his. So, practictly, yes. Almost everything is possible in the anime.
Umm,yeah.Anything can happen in the anime.For example,ash's pikachu used thunder on Roxanne's geodude and it fainted.