Birthday boy goes off his rocker 29nov04 IT was like any other fifth birthday party on a Sunday afternoon. The birthday boy scoffed his sweets - then got into a blue with his brother over toys. Melbourne Zoo star attraction Yakini turned five yesterday and the young western lowland gorilla received a plastic rocker to mark the occasion. But he wasn't about to share it with his brother, Ganyeka. It took a bit of gorilla warfare to sort it out, but Yakini was soon happily playing solo with his new toy. With his family looking on, including his 190kg dad...