Madigan is less cuddly than you’d imagine for a man named “Big Puppy.”Sean Madigan’s nickname, “Big Puppy,” suggests a tough guy with a soft side. But his alleged actions suggest something else entirely.According to Madigan’s ex-wife, the 6’3”, 230-pound Federal Way bodybuilder beat up his four-year-old stepdaughter regularly. Last November, court papers allege that Madigan picked up the girl and covered her mouth and nose in an effort to stop her from crying. When she didn’t, Madigan reportedly dropped her to the ground, where she hit her head and suffered extended bouts of dizziness.He’s also accused of cutting the girl’s chin after trying to discipline her for a failed run at potty training. And force-feeding her so violently that she suffered lacerations to her tongue.Auburn police started an investigation last year after a nurse noticed bruises on the girl’s body. But they couldn’t interview her away from Madigan until recently when his wife left him. Which may explain why on one MySpace page he’s listed as married, and on another he’s single.Madigan is currently jailed on $250,000 bail. He’s been charged with second-degree assault of a child, first-degree criminal mistreatment and the far less serious charge of having a very misleading nickname.