Go with the Floh.

Felix is a flea who was taken in by a rhinoceros beetle family and that’s why he thinks he is a rhinoceros beetle as well. His family can’t bring themselves to tell him the truth, until one day their village is threatened by a stag beetle army. Felix wants to get help, as he knows the legend of a mighty beetle king who will save them all. He sets off on an adventurous journey and soon meets companions who accompany him on his mission. Through their path full of hidden dangers, Felix learns about his true identity.