‘Stranger Things’ and ‘Riverdale’ Actress Shannon Purser: I’m Bisexual Andy Towle April 19, 2017 Leave a Comment Shannon Purser, who plays Barb on Stranger Things and Ethel Muggs on Riverdale, came out as bisexual on Tuesday night in a tweet. Purser's coming … [Read more...] about ‘Stranger Things’ and ‘Riverdale’ Actress Shannon Purser: I’m Bisexual