Juanjo Sáez, Kiyohiko Azuma, Akira Toriyama, Luis Royo, Milo Manara, Nacho Vidal, Oliviero Toscani, Nicole Kidman, Jennifer Love Hewitt, Enrique Bunbury, Flea, Anthony Kiedis, Hilary Hahn, Brian Kenney Fresno (and Olive Kenney Fresno), Monica Salmaso, Courtney Love, Leo Jiménez, Óscar Sancho, Andre Matos, Sharon del Adel, Tarja Turunen, Amy Lee, Shakira, Christina Aguilera, Madonna, Björk, Ute Lemper, Diana Krall, Lauryn Hill, Simone Kermes, Vivica Genaux, Cat Stevens, Peter Gabriel, Miguel de la Quadra Salcedo, Jane Goodall, Eduard Punset, Terry Pratchett, Chris Stewart, Shigeru Miyamoto, Javi Moya, José Viruete, Muhammad Yunus, people volunteering at non-governmental organizations...