What do you call someone who kills their brother?
A murderer or perhaps a Kinslayer.The term you are probably looking for is "fratricide"
What do you call someone who loves their house or home?
these people are called "house -proud" this is not a disease, we all love our home, but some people carry it to an extreme.
What do you call someone who has a phobia of earbuds or of something going in their ear?
where the fun just starts
Can you call someone if their phone turn off?
Yes, but if their phone is turned off, your call would appear in the "Missed Calls" thingymabob.
Can you call someone and go to straight to their answer machine?
Well, in my education, no. Trust me, look it up on the computer. They have better info.