I

Printable ASCII characters
~	!	@	#	$	%	^	&	*	(	)	_	+	space
`	1	2	3	4	5	6	7	8	9	0	-	=	{	}	|
	Qq	Ww	Ee	Rr	Tt	Yy	Uu	Ii	Oo	Pp	:	"	[	]	\
	Aa	Ss	Dd	Ff	Gg	Hh	Jj	Kk	Ll	?	;	'	Ctrl
	Zz	Xx	Cc	Vv	Bb	Nn	Mm	,	.	/	<	>	Alt

• i represents an imp or minor demon:
  • i manes
  • i homunculus
  • i imp
  • i lemure
  • i quasit
  • i tengu

• I represents an invisible monster or a monster that you cannot see for any other reason but whose presence you are aware of anyway. Prior to NetHack 3.3.0 it was used to represent Invisible Stalkers.
• Press i to bring up your inventory.
• Press shift + i to bring up your inventory of certain types of items only.

SLASH'EM

SLASH'EM introduces new creatures that use the i glyph:

• i imp or minor demon:
  • i dretch
  • i rutterkin
  • i nupperibo
  • i blood imp