Remember the Coblyn Genocide?

A: "Hey, I'm a new player. Where can I go to level?"
B: "Just go kill coblyns."

A: "I'd like to solo for a bit. What should I kill at lvl 20?"
B: "Coblyns."

A: "Where's a good grinding mob for my party?"
B: "One word. Coblyns."

A: "I'm looking for a challenge."
B: "Go kill some coblyns. Oh wait, that's not right. You'll have mix things up a little. It's Doblyns you should kill. My bad."

And the guides?

-Coblyn
-Doblyn
-Moblyn
-Soblyn
-Boblyns?