making a toothbrush head

[davemcpussies]

I need to create a tooth brush head
https://m.media-amazon.com/images/G/02/apparel/rcxgs/tile._CB483369956_.gif
I need to make the main body of the toothbrush cylinder tapered not sure how to do that.
Also how to create the head of the head
also the end of the bristles needs cutting at an angle
Thanks greatly