In the default scripts, Mobs that are more sociable than others will have a name, such as Cupa (Creeper) or Andr (Enderman). However mobs that can be talked to but not turn neutral towards you will not have names, such as skeletons, spiders and cave spiders.
But sometimes you have to be careful what you say when you're talking to mobs. if you choose the wrong words, you can anger them and they will either attack you or stop talking to you. the mob's mood is displayed and will change if they are sad, happy, angry etc. you can use these to avoid angering them or making them sad, which could be a fatal mistake.
The default entities that you can talk to are as follows:
Custom Script Mobs
|Blaze||Slime||Snow Golem||Iron Golem|