Since the update, Teebo has a bug. Even though he is invisible, his ability with his primary attack doesnt work in most cases. Also, since the update, my Ewok-Team that should be attacking often, ...
I was 30 shards away from 7* Teebo on second account. On main account he was already 7* gear 8. Took him to GW to test out ... You're all right, he's completely useless now unless he's in an ewok synergy team.