The Creation Trio and Trio Master.

Dialga "The being without Time", meaning it controls time and exists in and outta the timeline, it is said that time began moving when Dialga was born.
Palkia "The being without Space", meaning it can exist in and out of temporal space, it is said that space became stable when Palkia was born.
Giratina "The being without Matter", meaning its body can exist in between both dimensions, Real world and Reverse world and it has no stable form it has 2 forms it can use one of matter and one of antimatter.
Arceus "The being above All" meaning it is above all others its very presence causes Pokemon to bow down, all Pokemon were the progenitor to Arceus's legacy