This i just a concept but i had an idea for a champion he would be a support marksman.
Name: Stein the Noxian Surgeon
Lore: In the dark history little is known about stein, some say he's a renowned surgeon others say he is a vile torturer. It is known that his greatest accomplishment is Urgots cybernetics so the torment can be passed on from one noxian to another. tired of cutting on his table he decided to join the League of legends. one thing is certain when he come for you, then you better hope your not on his table.
Passive Scalpel work: after three basic attacks enemy's start to bleed for 5% of their health
Q Medicine shot: Stein fires a Skillshot that heals allies for 15/20/25/30/35% of their health when hit, and poisons enemies for 5/10/15/20/25% of your damage when hit.
W Adrenalin shot: Stein grants an ally (or himself) attack speed and damage reduction for 3/4/5/6/7 seconds.
E Acid beaker: Stein throws a beaker that explodes for 50/60/70/80/90 damage that burns for true damage over 5 seconds.
R CLEAR!: Stein gets his defibrillator and slams the ground that deals area of affect damage and revives downed allies in the blast radius
Dance: BTS - DOPE.