Mike Berenstain ; based on the characters created by Stan and Jan Berenstain. based on the characters created by Stan and Jan Berenstain. "Based on the characters created by Stan and Jan Berenstain." based on the characters created by Stan and Jan Berenstain based on the characters created by Don Freeman. "Based on the characters created by Stan and Jan Berenstain"--Page 4 of cover based on the characters created by Don Freeman based on the characters created by Ellen Crimi-Trent. based on the characters created by Tove Jansson "Based on the characters created by Don Freeman."