Chewbacca

OT Chewie comes from a Legendary event.

Chewbacca is a legendary event that cycles about every three months. You will need a team of five bountyhunters to do the event.

It is a difficult event, so you will want to make sure that your bounty hunters are leveled, geared, with decent mods

OG Chewie is a Legendary event toon.

https://forums.galaxy-of-heroes.starwars.ea.com/discussion/182435/how-about-a-day-early

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This event has it's own section, check here for more details and explanations of strategy for this very difficult event:

https://forums.galaxy-of-heroes.starwars.ea.com/categories/chewbacca-event

Okay thanks