There’s been a huge amount of talk of challenger brands in the marketing press this year already. So who do we think are going to be the movers and shakers in 2016? We’ve put together our annual 20 challengers to watch list here at eatbigfish with a helping hand from some friends of ours. Complementing our choices are suggestions from top brand thinkers and authors including Denise Lee Yohn, Ed Cotton, Faris, Porter Gale and Whitney Johnson. Enjoy.