Pokemon Diamond and Pearl - Characteristics Guide

The secondary personality trait that Pokemon have in Diamond and Pearl, informally known as "Characteristics," tell you your Pokemon's highest Individual Value (IV), formally known as Deter Values (DV) in GSC. If your Pokemon has two IVs tied for the highest value, the characteristic tells you a random stat. Here's a list of each characteristic and their potential IVs:

HIT POINTS
Characteristic	Possible IVs
Often dozes off	1	6	11	16	21	26	31
Loves to eat	0	5	10	15	20	25	30
Likes to relax		4	9	14	19	24	29
Scatters things often		3	8	13	18	23	28
Often scatters things		2	7	12	17	22	27
ATTACK
Characteristic	Possible IVs
Likes to thrash about	1	6	11	16	21	26	31
Proud of its power	0	5	10	15	20	25	30
Quick tempered		4	9	14	19	24	29
Likes to fight		3	8	13	18	23	28
A little quick tempered		2	7	12	17	22	27
DEFENSE
Characteristic	Possible IVs
Capable of taking hits	1	6	11	16	21	26	31
Sturdy body	0	5	10	15	20	25	30
Good perseverance		4	9	14	19	24	29
Good endurance		3	8	13	18	23	28
Highly persistent		2	7	12	17	22	27
SPECIAL ATTACK
Characteristic	Possible IVs
Mischievous	1	6	11	16	21	26	31
Highly curious	0	5	10	15	20	25	30
Very finicky		4	9	14	19	24	29
Often lost in thought		3	8	13	18	23	28
Thoroughly cunning		2	7	12	17	22	27
SPECIAL DEFENSE
Characteristic	Possible IVs
Somewhat vain	1	6	11	16	21	26	31
Strong willed	0	5	10	15	20	25	30
Somewhat stubborn		4	9	14	19	24	29
Hates to lose		3	8	13	18	23	28
Strongly defiant		2	7	12	17	22	27
SPEED
Characteristic	Possible IVs
Alert to sounds	1	6	11	16	21	26	31
Likes to run	0	5	10	15	20	25	30
Quick to flee		4	9	14	19	24	29
Somewhat of a clown		3	8	13	18	23	28
Impetuous and silly		2	7	12	17	22	27