Spinetickelers Rip Offs

There are two Currently Known Spinetickeler Rip-Offs in Diary OF A Wimpy Kid. The first Rip-Off is Ribtingelers written by the author R. U. Scared. There is only one book From The series that is Known called "The Day My Belly Button Tried TO EAT ME!". The Second (And Last Known) Spinetickeler Rip-Off is called Knee-Knockers written by M. T. Grave. There is once again only one book from the series known which is "My Brother Is A No-Brainer"