100
Luxio evolves into Luxray exactly at level 30 on Pokemon platinum.
Then you have a level 70 pokemon!
Giratina is level 47 in Platinum and level 70 in Diamond and Pearl
at level 34
Level 100
level 30
Arceus.
Level 934, that's the highest they go.
Arceus
level 44
at level 20
Level 40.