you look for the Pokemon idiot.
learn how to spell
After you see him at the Twin Towers he comes around randomly. SO look every where!!
It's a silver oval on the palms of the Rider's hands. It glows and itches when danger is near.
you look at them
gastly
Look on a website like serebii.net
You can look at Gamestop.
haunter does
its not a tm or a hm your pokemon hast to learn it
Get a Pokemon that has the move mean look. Mean Look prevents the opponents Pokemon from leaving. Try getting a ghastly
Ho-oh
Have a look on Serebii.net
All of them