"he" isn't really in the game. its just stories
With hay.
Carrots attract pigs in Minecraft. The same goes for rabbits
you can't he's a mith
You can't as of now.
Use wheat which you can harvest/steal from villages
yes, except for squids and wolves.
You must use wheat. Hold it in your hand.
If you hold wheat in your hand, all passive mobs, including pigs, will come towards you.
Yes. If you are holding wheat in front of a sheep and it's looking at you it will start following you. It will even follow you into lava.
you dont attract it you make it 2 snow blocks with a jack lantern on top theres nothing special about them.
It depends which mod you are using. Many mods add Herobrine, they all have different ways of summoning him or making him appear.
MINECRAFT!!!!