L2J Server

I want to know a few things..

How can i spawn a monster ?
so it keeps spawning ?

how can i remove the item grade penalty ?

how can i find an npc list ?

how can i show the information of the monster above its name:

ex: Gremlin, Lv 1.

how can i get diffrent colours for enchanting?
instead of blue/red.

how to add diffrent items that are dropped by a monster ?

agree with ThePhoenixBird..

1. spawn a monster - //spawn <npcid>
2. remove item grade penalty - remove the high grade item from player, or if you have gracia epilogue sources, just set the config for ExpertisePenalty to false
3. npc list - npc table in database or check http://www.l2jdp.com/l2jdb
4. mob title - check config for show npc level
5. different colors for enchanting - illegal client modding
6. add items dropped by monster - droplist table in database