Molly

'Information found online is most likely outdated. All information is to be changed following theory debunk streams, upcoming Patreon comics, and the pilot.'

Molly is Angel Dust's twin sister and a character in '''Hazbin Hotel. '''

Current Speculations
Molly will not appear in Hazbin Hotel' s pilot, but is canonically Angel Dust's sister. She is planned to appear later in the series, along with Angel Dust's other family members such as Angel's older brother Arackniss, his father Henroin, and his unknown mother.

She may appear later in the series, or at the very least be referenced, according to the Sept. 1 Q&A stream.

Angel Dust
Angel is Molly's twin brother. It's unknown what sort of relationship the two have outside of being blood related.

When asked on what their relationship is, Vivziepop said that they're siblings and their relationship is positive and that she can't say much because a lot of that is after the Pilot.

Arackniss
Arackniss is Molly's older brother. It's unknown what sort of relationship the two have outside of being blood related.

Henroin
Henroin is Molly's father. It's unknown what sort of relationship the two have outside of being blood related.

Molly's Mother
Molly has an unknown mom. It's unknown what sort of relationship the two have outside of being blood related.

Trivia

 * Vivziepop said in her VIVZIE STREEM- Test Test -#1 live stream that Angel and Molly are fraternal twins and not identical twins.
 * When asked if Molly is her real name or the name she has in Hell, Vivziepop said that Molly is her real name.
 * Viv said in her VIVZIE STREEM- MAMBO No -#5 live stream that she wants Molly in the show at some point.
 * She is not a demon.
 * She and Angel are about the same height.