Accompanying Momo is a talking black cat familiar named  with a bell around his neck and bat-like wings who helps Momo out. The living frequently hear the ringing of Daniel's bell when Momo and Daniel are nearby.
Momo is accompanied by a talking black cat familiar with a bell around its neck and bat-like wings, who assists Momo.  The people in the house often hear the sound of Daniel's bell whenever Momo and Daniel are near.