help! I can't beat him no matter how many times I've tried.
my team:
grovyle level 18 moves: rock tomb, pursuit, absorb, and quick attack.
wingull level 11 moves: growl, water gun, supersonic
abra level 7 moves: teleport
aron level 11 moves: tackle, harden, mud-slap, and headbutt
zubat level 11 moves: leech life, supersonic, and astonish.