Which six Pokemon have the highest stats?? They could be legendary
As of Generation 8...
Source, though it excludes Eternamax Eternatus and Ultra Necrozma, as they're uncatchable
1st place: All Arceus types (720 BST) 2nd place: Kyurem-Black and White (700 BST) 3rd place: Mewtwo, Lugia, Ho-Oh, Rayquaza, Dialga, Palkia, Giratina-o, Giratina, Reshiram, Zekrom (680 BST) 4th place: Slaking, Kyogre, Groudon, Regigigas (670 BST) 5th place: Kyurem (660 BST) 6th place: Check all Pokemon who have 600 BST, there's too many to list.
Read this.
The list would be complicated so just look at the link.
Though number one is Arceus.