I know of a few, Teemo's is a global taunt against all enemy champions...
Sona used to be play this champion roll your face left to right on keyboard win game
Mundo goes where he pleases.
Wulf Of Highland
Cho Gath with six stacks has a global taunt.
Vlads secret passive is Piss everyone off.
Ponies Gonna Pwn
Nidalee, the Cougar of LoL, spreads her "experience" to nearby less experienced champions.
Soraka redirects all the rage towards her, despite the fact that she cant perform well with a bad/raging team.
Shen flips out.
Ashe's is a passive recall. Get in melee range of a beefy champ and automatically get sent to base. Not sure why the ability shares a timer with resurrection though. >.>
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