What is this invisible creature in Minecraft?

My brother plays Minecraft on the Xbox 360 & after a while something started attacking him. It's like an invisible creature & it follows him everywhere. What is this & how can we defeat it?

What kind of videos should I post on youtube videos for gaming?

So I just started a youtube channel (TheBlueGamer1000) and I want to know what kind of games I should play? Minecraft is on my list. Realm of the Mad God is on my list. Would play skyrim on my computer, but I don't have a PC. I have Skyrim on my xbox 360, though.

Additional Info:
I have a MacBook Pro, can't make videos on TV. Lots of space.

XBOX 360: MOTTO and BIO IDEAS 4 A GAMER GURL?

I'm a 13 year old girl who likes to play Minecraft, GTA 5 and 4, COD ghosts, and castle miner z. I like minecraft the most, and my favorate things in minecraft is ocelots, cats, wolfs, endermen and th ender dragon. I need a new motto… My old ones is Kitty with a gun, Minecraft <3, and Kitty on Fire. I like the movie Hunger games and like to play the hunger gaames on minecraft too. And the motto needs to be 21 charaters long. And my gamertag is Hellokitty13477 soon goin to be EnderKitty.

Re Downloaded Minecraft x360 for free?

About a month ago i deleted minecraft on my xbox 360 cause i was board of it. Now watching videos of it i want to play the game again. I try to re download the game and it says it will cost $20. I thought if you tried to re download a game on 360 it would be free because you already bought it. Do i have to press purchase for it to tell me its free or do i have to pay.

Where can I get gamers wallpaper for home decor?

I want to make a "gamers" room for my boy n his bro. They love xbox. Between them minecraft, skylanders, FIFA n randoms! Want it to be a whole wall rather than "wall stickers" n appliqué! Anyone know where I can get some DIY wallpaper for walls or recommend someone who can do it in west mids (Shropshire)? Websites are highly welcomed.

Help in Minecraft Xbox Edition?

So i was wondering… Can i transfer a world from my xbox using a usb and edit it on my computer (using MCedit), then transfer it back to my xbox? If not, do you have any other ideas about how to edit xbox Minecraft worlds?

If I buy a Minecraft Texture Pack on the Xbox 360, will it Transfer to the Xbox One when I get one?

I have 10$ worth of Microsoft points and I currently have the standard Xbox 360. If I purchase a texture pack on the marketplace for xbox, will I be able to redownload the texture pack on the xbox one?

New Tv help? I now lag on Xbox 360 (everything)?

Alright so I purchased a new TV on black Friday, it's a 60" Vizio and I had a 38 inch older model I'm not sure what type, I have an Xbox 360 and it worked just fine on the old TV but on my new TV there's a lag, I don't mean like I need to adjust to the new TV, there's literally a lag. Like it's a second after when I knife in COD, it knifes, when before it was instant. Is there anything I can do to fix it? I don't know why it's doing this. It's the same thing for the entire Xbox; not just COD. Even on Minecraft, I can't do anything, even move, without lag.

Any help?

Can you play Minecraft Xbox 360 disc/retail version without Xbox live/internet connection?

I don't have internet on my 360. Do you need internet connection to start the game?

If you downloaded minecraft on xbox one?

Hi I'm geting an xbox one but I downloaded minecraft on 360 will I have to buy it again or can I just download it for free?