Pokemons!

Venusaur: Level 66
Empoleon: Level 53
Blastoise: Level 45
Staraptor: Level 44
Raichu: Level 41
Alakazam: Level 39

(Sub: Dialga Levl 47)

Am I a bad enough dude to beat the Elite 4?

you need to have all your pokemon at least level 80, preferably 90 to beat them.