"Of course they answer to their names?" the Gnat remarked carelessly.
"I never knew them to do it."
"What's the use of their having names," the Gnat said, "if they wo'n't answer to them?"
"No use to them," said Alice; "but it's useful to the people that name them, I suppose. If not, why do things have names at all?"
"I ca'n't say," the Gnat replied. "Further on, in the wood down there, they've got no names--however, go on with your list...."

Tonsil A: The Official INTERCAL Character Set

Tabulated below are all the characters used in INTERCAL, excepting letters and digits, along with their names and interpretations. Also included are several characters not used in INTERCAL, which are presented for completeness and to allow for future expansion.

Table 2 (top view). INTERCAL character set.

Character	Name	Use (if any)
.	spot	identify 16-bit variable
:	two-spot	identify 32-bit variable
,	tail	identify 16-bit array
;	hybrid	identify 32-bit array
#	mesh	identify constant
=	half-mesh
'	spark	grouper
`	backspark
!	wow	equivalent to spark-spot
?	what	unary XOR
"	rabbit-ears	grouper
	rabbit	equivalent to ears-spot
|	spike
%	double-oh-seven	percentage qualifier
-	worm	used with angles
<	angle	used with worms
>	right angle
(	wax	precedes line label
)	wane	follows line label
[	U turn
]	U turn back
{	embrace
}	bracelet
*	splat	flags invalid statements (I72)
&	ampersand *	unary AND
V	V (or book)	unary OR
	bookworm	unary XOR (I72)
$	big money	binary interleave
¢	change	binary interleave
~	sqiggle	binary select
_	flat worm
¯	overline	indicates "times 1000"
+	intersection	separates list items
/	slat
\	backslat
@	whirlpool	unary BUT
¬	hookworm
^	shark (or simply sharkfin)	unary XOR (additive)
	blotch

(I72) = Used in INTERCAL 72 only.