Blue Oak is the first Rival and Champion in Generation I games. Initially known as Green in Japan, name changed to Blue in English. Appears in multiple games across generations, except VI and VIII
Toblerone is a Swiss chocolate brand owned by Mondelez International. Founded in 1908 by Theodor Tobler in Bern, Switzerland. Company produces chocolate bars with unique triangular shape. Maintains significant Swiss production facility following Swissness legislation