They had raikou, suicune and entei made as well as the 3 birds. Could it mean that there were suppose to be more legendary s in the game o.O. Also it could be a possibility that arcanine was suppose to be entei.
"If I have the gift of prophecy, and understand all mysteries and all knowledge, and if I have all faith so that I can move mountains, but do not have love, I am nothing." -1 Cor 13:2
"40 And the King will answer them, ‘Truly, I say to you, as you did it to one of the least of these my brothers, you did it to me.’" - Matthew 25:40 (ESV)