Guilherme Martins, commonly known as Rdein is the main creator of the Momodora games.
Guilherm is Brazilian and has a Bachelor's Degree in Animation Design. He's a self-described "game developer" and "artist", and publishes both Visual art and music. Rdein is also head of a development group called Bombservice known for creating the Momodora games.
Bombservice is a Brazilian development studio focused on developing games inspired by classics from the 80's and 90's. It was made, and is directed, by rdein, who self-published the first three Momodora games.
As of now, the group has officially released five different games which you can find on their website.
As of 2015 Bombservice consists of:
and his art is available on his Dropbox page