Nunu a Willump·Komba
Start with W and release it early. Right as you confirm it will land and you are in E range hit W a second time, instantly E then AA E Q as quickly as you can. Follow up with your last E and some AA's.
To quickly engage E then instantly Flash and AA Q. E again and AA W, E a third time then AA R.
E your target then right before your root goes off Flash on top of your target and instantly R. Once it finishes its channel, Q AA.
E then instantly AA Q, E again then AA W. R, cancelling the channel right as the root ends.
To engage with your snowball W then roll into your opponent and E right after it hits. Quickly use Q E, AA then E again followed by one more AA and your R.
Approach with E, then E again right before you AA Q. Use your last E charge and continue to AA, then use W right as the root ends.