Thank you for replying! My favourite Pokemon From These games are the following:
Fire red: Tyranitar, Lugia and Zapdos
Ruby/Emerald : Groudon, Salamence and Rayquaza
Diamond/Platinum: Arceus, Lucario, Dialga and Giratina
Heartgold: Red Gyrados
Black/Black 2: Axew, Reshiram, Chandelure...