Reasoning's
Sawsbuck: Deer for a deerDecidueye: It's a literal ghost
Alcremie: I know it's weird for him to have a fairy type on his team but I like to think Angel gave him the pokemon to him as a gift or smth
Yveltal: Death
Flapple: Red apples are apparently the devil's fruit or something
There's not alot of room on the picture but I like to give him a Seviper