How to give your characters their elemental powers?

I was think about creating this show called Amazon Hyenas who have the power over the four elements.I was thinking they gain their powers from four stones or four mystical fruit from four mystical trees.

The leader-air(Air Apple) the lancer-water(Water Promegranite) the big guy-fire(Fire Fig) the chick-earth(Earth Peach)

Have them be bless-bitten by radioactive fruit-spiders, irradiated by pan-cosmic rays, have their parents killed, given magical rings, and turn out to be the secret last scions of magical-alien dynasties.