The bottom part of Bumblelion's mouth is white. It should be orange.
Rhinokey has five fingers in his left hand. He should have only four fingers.
Again, someone has given Rhinokey five fingers.
The bottom of Rhinokey's mouth is pink. It should be flesh coloured.
Looks like someone likes to have the bottom part of Bumblelion's mouth the same colour as the rest of his muzzle.
The bottom part of Rhinokey's mouth is pink again.
Looks like someone forgot to give Rhinokey a neck.
You guessed it. The bottom part of Rhinokey's mouth is pink.