Other past characters make cameos in the game at one point or another , such as the Lab Assistants , Doctor N. Gin , Tiny Tiger , Doctor Nefarious Tropy , and Polar .
Other past characters make cameos in the game at one point or another . 
 The '' Silhouette Quiz '' minigame also showcases a number of other '' Crash Bandicoot '' characters , including Doctor N. Gin , Tiny Tiger , Doctor Nefarious Tropy , and Polar .