I've got a few "what's your favorite" questions for you...

Ghost

Ghost-poison (because Gengar)/ghost-psychic (because 2 favorite types)

ALL GHOST TYPE

Gengar

Gengar/Lunala

Gengar/Bannette/Yamask/Unown

Gengar

Gengar

Type: Bug

Type combo: Water/Electric

Pokemon of said type: Golisopod

Pokemon of said dual type: I don’t have one :(

Favorite monotype mon: Sirfetch’d

Favorite dual-type mon: Golisopod (this was a hard choice)

Favorite mon in general: Sirfetch’d