How tall is the Helf monster?

Helf, a monster appearing in the Japanese special drama "Altman Taro", a peace-loving monster living in the constellation Medusa, has a very gentle personality. Because of Medusa's attack, they fled to the earth. Finally, Medusa was destroyed by Ultranman Taro and returned to her hometown safely with the help of ZAT. Because Helf holds the secret of Medusa, Medusa came to earth and killed Helf. He first approached ZAT with his imitation ability and incited ZAT to attack Jelf. After the origin of Helf was investigated, Medusa possessed Moriyama's team and killed Helf with ZAT's army. Jelf was attacked and fell. The Medusa thought their plot was successful and showed their true colors. Later, they were killed in the battle with Altman. Taro. Jelf thanked Taylor for protecting himself. Finally, with the help of ZAT fighter, Jelf was taken out of the atmosphere, drifted into space and returned to his hometown.