Part of the appeal I think is he's "relatable" because he doesn't have real super powers. In my opinion, he's less relatable because he has enough money to functionally have superpowers anyway. The normal people who end up with super powers almost certainly share more in common with us "normal" people.

The thing I take away from Batman is that if you think a problem though, you can prepare for what might happen and have a response ready, making you look like a super hero for those without the foresight. It’s a power anyone can have, so it’s very relatable and actually a valuable lesson.

Also, in many of the stories he is a terribly broken and traumatized man, and those sorts of characters are usually more interesting. Batman has just been around for so long he was brooding and sullen before brooding and sullen were cool which gives him additional cred. As the “flipside” to the Boy Scout Superman (at least at times) but the two have the same goals is where I really enjoy the character, I think the Justice League show did a very good job there in playing the two against each other.

One thing is, like others have said, he has had very different personalities depending on writing so you may really only like certain versions of him and that’s valid.

He's voiced by Kevin Conroy

it's a power fantasy. to be honest, he's very close to the punisher but without saying the quiet part out loud