in Tamori's “You can laugh” (笑っていいとも!), co-host Masahiro Nakai mentioned that the balls on Gachapin's wrist looked like warts. In episode 35 of Digimon Adventure'', Mukku and P-chan fight evil Digimon which appear in Tokyo. Gachapin also appears in this episode. In 1998, Gachapin and Mukku appeared in the story “Angry rock, scissors, paper squad“ (おごってジャンケン隊) in Big Comic Spirits written by Yoko Gendai. It was mentioned that he receives 50 yen each month as pocket money. On August 30, 2006, Gachapin and Mukku worked for “Shadow Nare” on “Tropia fountain ~ Wonderful wasteful knowledge” (トリビアの泉 ～素晴らしきムダ知識～). Also, on May 12, 2007, they took up the challenge of working in a lunch box factory, a convenience store, as firefighters and fishing for skipjack tuna from a boat as well as performing stunts on a special of the same show. On October 23, 2006, they participated in roulette bowling using specially made balls on the SMAPxSMAP show. On November 9, 2006, Gachapin appeared on The best house 123 (ザ・ベストハウス123) show as a guest and organized the top three Gachapin challenges. In January 2007, Gachapin appeared as a guest, his drama program debut, in “Kirakira medical intern" (きらきら研修医) which aired on TBS and whose main character was played by Manami Konishi. He has also appeared as a guest on various radio shows in Japan such as TBS radio, Culture broadcasts, TOKYO-FM and J-WAVE. In 2007, Gachapin appeared in the music video “Read My Mind” by the Killers, the American rock band. The scene showed Gachapin inside a capsule hotel in Tokyo with a member from the band. On August 12, 2007, he appeared in the Air Guitar 2007 Japan final held at Makuhari hall in 2007. B’z “girigiri chop” performed in the background. He received 3rd prize for his performance. His dialogue with Souichi Negishi (Johan Klaus II), one of the judges, evoke a great deal of laughter. At the same show, Shin Nohara from Crayon Shin-chan also appeared as a guest. He appeared as a guest of the dream team in “Tamori's Super Vocabulary Heaven” (タモリの超ボキャブラ天国). On September 17, 2010, as part of the 2010 Tokyo Game Show, he was announced as a Downloadable Content character in the cancelled Mega Man Universe as "Megapin". On July 19, 2014, Gachapin & Mukku showed up in a Japanese Music Video for Gummibear's YouTube Channel, which is up on YouTube. On December 21, 2019,