No or almost Kane is undertaker half brother
No, because Undertaker and Kane are not related in real life
Kane they grew up together. No, they didn't, and Kane is not his real brother.
No Kane is the brother of Undertaker
They are not related in any way. they are not real brothers. it was just story line whice kept them connected.
Yes. It was once said that The Undertaker has four fake brother's, and a fake storyline with kane having no brother's. So yes they are brother's in real life.
They are half brothers. Kane was adopted into Mark Callaway's (The Undertaker) family when they were babies since Kane's father died.
No. he doesn't have a brother in real life. In storyline yes, Kane is his brother in storyline.
In the wrestling world, Kane is Undertaker's half brother.