Panda never came to Stella's, but an inversion of Panda, Arthur Bayer, did come to Stella's for a drink. After meeting Bayer at the pub, Iris followed him home and wormed her way into his life. After they parted ways, Iris continued to drink at Stella's.
Shortly after Andy's marriage failed, he returned to Stella's and encountered Iris again. After she told him about her recent encounter with Bayer, Iris left Stella's with Andy and took him on as a companion. (AUDIO: Looking for a Friend)