Butterfly Sentimonster

 is a buttefly-like/moth-like giant sentimonster created by Mayura from Hawk Moth's despair to save him from being unmasked.

Physical appearance
As it represents a butterfly or a moth, it has largely sized dark purple wings with black and a white dot spots with gray edges at the end. It has a magenta head with teal eyes with large dark yellowish-green antennas with the body having purple fur with black stripes with some yellowish-green spikes with each side of the body and large dark purple arms with the tail being violet.

Personality
It isn't much known about the butterfly sentimonster, but is known to hit aggressively and follow Mayura's orders accordingly.

As sentimonster
Being a sentimonster created with the emotion of despair, it fights aggressively towards the target.

In Mayura is revealed to have the power to cause extreme winds that blows the heroes out of the Eiffel Tower by flapping its wings.

Trivia

 * So far, is the only recurring sentimonster in the series.
 * Is the only sentimonster that appears at the end of the each season.
 * The Butterfly Sentimonster is the only sentimonster that is an insect and also the first sentimonster in the series.