31. In this sense, Ido is classified as a constructed international auxiliary language. 32. Ido , unlike Esperanto, does not assume the male sex by default.33. The Ido language even today still has a following. 34. The term " Esperantido " is used mainly within the Esperanto and Ido . 35. The researchers concluded that additional comparative studies of Esperanto and Ido are needed. 36. Drummer Ido Blaustein left the band prior to the recording of the album. 37. Ido Pariente is an Israel lightweight Pankration World Champion.38. His creation of Novial was driven by the inadequacies of Esperanto and Ido . 39. Ido also has a second line of work as a hunter-warrior.40. Gonzu also helps Ido transplant Hugo's head onto a cyborg body.