Best riddles with simple answers

I’m at the beginning of the end and the start of eternity, at the end of time and space, in the middle of yesterday but nowhere in tomorrow. What am I?

What do you call an angry polar bear?

Red through and through, it has no mouth. But it eats many things; it fears water but not wind.

Our dinner guests cry that we are evil, when they notice their place in the meal. But its no big deal why; we are just one big happy tribe! And we get really fed up with people! Who, What or Are we?

Alive without breath, As cold as death; Never thirsty, ever drinking, All in mail never clinking.

What goes up when the rain comes down?

What do you get when you cross a fish with an elephant?

Large as a mountain, small as a pea, Endlessly swimming in a waterless sea.

Every time you stand up, you lose this. What is it?

General Custer is surrounded by Indians and he's the only cowboy left. He finds an old lamp in front of him and rubs it. Out pops a genie. The genie grants Custer one wish, with a catch. He says, "Whatever you wish for, each Indian will get two of the same thing." Custer ponders a while and thinks:"If I get a bow and arrow they get two. If I get a rifle they get two!" He then rubs the bottle again and out pops the genie. "Well," the genie asks "have you made up your mind?" What did Custer ask for to help him get away?