Murura is NOT a character in the Anime Keroro Gunso. She is an orikero made by kululustardis.
Murura is a seriouse Keron-jin. She has no sense of humor. If she is given a mission, she will follow it through, no excepptions. She is a loyal and if a freind/college/ally is in trouble, she will risk her life to save them.
Her only known family is her little sister Kurura. She has two best freinds, they are Kitata and Sununa. She has an apprentance who goes by Metala.