Yeah, the problem I have is that in isolation when you say "what's Rengar's identity" the answer is "he's a hunter who stalks his prey from stealth!" and that's fine.
But then you have Kha'Zix, who is literally a hunter who stalks his prey from stealth. And Nidalee, who is ALSO a huntress, likes hiding, etc. etc. And Eve, and Warwick, and etc. etc. on through half the jungle champs in the game who all like to hide and jump on people.
So maybe what Rengar needs is, like, a Kha'Zix rework first so that we can figure out who Rengar is supposed to be. Like, is Kha'Zix supposed to be the ultimate natural hunter and Rengar the ultimate intelligent hunter? (Except Rango is a lion, lol.) That's workable, although probably pretty hard to realize in a design. But right now Rengar and Kha'Zix just feel like buddies who do extra damage from the bush, have a stealth ult, have a self-heal, have a slow, have a leap, and have a bursty melee attack. Jesus, they're identical.
Thinking about it more, I'd kind of like a Rengar ult that's designed as an execute. He's supposed to be good at taking trophies, so let him do that when the enemy gets low. Then he can still jump on people and kill them and inspire terror, just not from 100.
