Gappa, the Triphibian Monster Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. An expedition in the South Pacific lands on a tropical island where the natives worship the mysterious deity Gappa. An earthquake opens up an underground cavern and a baby reptile is discovered inside. The natives warn the foreigners to leave the hatching alone but they don't listen and take it back to a zoo in Japan. Soon after moma and papa Gappa start smashing Tokyo looking for their kidnapped child. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Koji Wada, Yoko Oyagi, Yuji Okada, Sanpei Mine, Hiroshi Ito, Minoru Sato, Mike Danning, Kotaro Sugie, Shirô Oshimi, Tatsuya Fuji, Bumon Kahara, Paul Scheman, Zenji Yamada, Tamio Kawachi, Keisuke Inoue .