Rocky Zang in The Amazing Mr. Magic is the second book in the Judy Moody and Friends series.
Rocky is perfecting the tricks for his magic show when Judy Moody offers to be his assistant. Rocky agrees, but it turns out that Judy - or Stella the Spectacular as she calls herself - is the most unspectacular assistant ever. When she gets ketchup all over the magic rabbit, the Amazing Mr. Magic has had enough! Is Rocky's magic good enough to mend his and Judy's friendship?