suicune is on the right side somewhere on route 14. after encountering suicune there, if you met misty at the end of route 25, you'll find suicune there and you can battle it.
Suicune is at Level 40 in HeartGold and SoulSilver.
yes
yes
On Cerulean Cape
LVL 50
Where you find Misty.
one and one only
No
you have to beat red in mt. silver then you can see suicune at curelan
oh well its at the island were u get grudon
it is not on route 18
Pokemon HeartGold and SoulSilver.