For all you people who don't know the NPC's heres a big-ass list.
Cody-Job guy
Spinel-World Warper (She takes you anywhere for free)
Corporal Wilson-Pet food/ pet guide merchant
Frederick-Smega seller
Malady-Skill maxer
Nima Kin-Female body changer
Kin-Male body changer
Amos-Boss warper
Mia-Pet seller
Chef-Slime Kingdom warper. Only donators can go to Slime Kingdom.
Assistant Bonnie-Nx Cash seller. 30k nx for 1meso
Viking-Gm scroll seller
Olson(he's in the right corner)-Trophy, Zhelm, bowtie, rare shoes, attack capes, bathtowel, and BWG seller
Nana H-Bowman equip seller
Nana k-Thief equip seller
Nana P-Warrior equip seller
Nana E-Mage equip seller
Spindle-Trophy and buff seller
Coco-Fame seller
Spiegellman-Scrol Seller
I think that's all. If I missed anyway feel free to tell me.
Hope I helped!