Best riddles with simple answers

Did you hear about the Italian chef with a terminal illness?

What do you get if you cross a Beatle and an Australian dog?

I eat insects. I live in the pond. I hop. I am green. What am I?

The beginning of eternity, The end of time and space. The beginning of every end, And the end of every place.

What do you get when you cross a cow with a trampoline?

What do you get when you cross a chicken and a chihuahua?

What building has the most stories?

I may seem real yet I am not, Once you're gone I'm often forgot. Time here stretches and it shrinks, It all depends on how you think. I may be good, I may be bad, I may be the same as one you've had. What am I?

What kind of dog never bites?

To you, rude would I never be, Though I flag my tongue for all to see. What am I?