they arent high levels because i never really spent time traininfg but this is my team on HEART GOLD. (some of them came from diamond platinum pearl etc...)

dont see why it was platinum specific but you know.

Garchomp Lv. 48
Dragonite lv. 69 (a personal favourite level)
Tyranitar lv.61
Gengar lv. 67
Rhyperior lv. 60
Salamence lv. 69 (hehe)

i keep a togekiss level 56 as a backup for certain "battles"...

it has such a confusing moveset its great :P

They have potential i just need to train em up