evolve an oddish or they are found near lily cove
latios is Pokemon number 197 in ruby
Sealeo evolves into Walrein at level 44
The Pokemon is chimecho
corsola
#155 in Hoenn is Pichu.
Apparently Groudon, but you need to trade with ruby to be able to obtain him.
#44 is gloom in the national and in leafgreen/firered #44 is shedninja in sapphire/ruby/emerald #44 is golduck in pearl/diamond/platinum I don't know about gold/silver SORRY!
im pretty sure that's Shedinja but you have to get him a speciall way i that i don't know :P how you get him is get ninjask and hold at least one pokeball in your bag and only 5 Pokemon in your party. then evolve ninjask and you will get him.
Mago berry
Corsola
Pokemon ruby's version IS Pokemon ruby.
Sealeo is a water and ice type of Pokémon. In Pokémon Ruby it evolves into a Walrein at level 44.