Rikako Aikawa (愛河 里花子 Aikawa Rikako?, born October 7, 1967) is a Japanese voice actress affiliated with Ōsawa Office. She was born in Kanagawa Prefecture, Japan. She was originally a child actor. She is also known as a specialist of tongue-twister in the Japanese language. Her real name after she married Mitsuo Iwata, a Japanese voice actor, is Nahomi Iwata (岩田 菜穂美 Iwata Nahomi?). She also appears in the Japanese and English language versions of the Pokemon anime, voicing Ash's Caterpie, Metapod and Butterfree and Ash's Krabby. She had a main role in the Orange League series where she voiced Ash's Lapras in both versions. She also appeared in the second Pokemon movie "Power of One" as the legendary Fire Pokemon Moltres. She had a recurring role in the Johto series as Charla, Liza's Charizard, a Pokemon who lives at the Charicific Valley and who eventually develops a romantic relationship with Ash's Charizard. She also played Madame Muchmoney's Granbull.