Fisib: The Void Crawler

So I've been thinking of a new champ.

Champion Name: Fisib

Lore: Fisib was apart of the void long before Cho'Gath, Kog'Maw, Kha'zix, and Kassadin came. His mission is to remake the void back to they way it was before Kassadin came and let the void take over him and make him back to the mere mortal he was. (Specifics are in the works) Concept is, hes from the void and his enemy is Kassadin and his ally is Malzahar.

Saying: "The enemy of my enemy makes more to kill and join the void"(Still working on it)

Fisib would be ADC with spikes on his back and shoots them at enemy champs to Auto Attack. His design would be Cameleon-like.

His passive would kind of be like Darius's passive which makes the enemy champ bleed for 3 seconds. This bleed stacks 3 times and deals 1% health and stacks up to 3% health at max stacks.

Q: Double Time: Double time causes Fisib to kind of have a built in Runaans as he attacks 2 champs and/or minions he is Auto Attacking. The duration of the ability would be 5 seconds and it can scale to 10 at level 18. Cooldown is 11/10/8/7/5

W: Quick Crawl: This makes Fisib invulnerable for 2 seconds as he can either run away or engage in a fight. This ability also gives him increased speed by .5 which doesn't scale. The auto attack or spell he uses after this ability would disregard armor on enemy champ. He cannot attack while invulnerable though. He can only move to engage or run or avoid but not attack. If he does attack while invulnerable, the attack goes through but the invulnerability is up. Cooldown is 20/17/15/13/11.

E: Sticky Tongue: This is a skill shot in which Fisib knocks up the enemy he hit allowing his next ability to guarantee hit the enemy he hit with this ability. Also the enemy hit gets knocked up for 1 sec and scales to 3 secs. This attack deals 50 AP and scales with AP. Cooldown is 15/13/10/9/7 secs.

R: AOE ability in which Fisib grabs any enemy champion/s with his sticky tongue in his path and throws them the distance of the walls on Summoners Rift at mid lane. This ability deals 100 AD base. Cooldown would be 100/80/60 secs.

I would love to hear suggestions on ways to improve this by the people who read this and see is theirs any ways we can make this champ an actual champ in the game!