When I first started looking through the internet for DB stuff (a lonnnnnnnnngggggggg time ago) I sometimes got a little confused when people referred to one person, but I saw different pictures of them. To solve this problem for new comers to the DB community I have set up this section. In here I will show you what different characters looked like through out the series.

Gohan:
Gohan steadily changes through out Dragonball. His hairstyles change quite frequently due to the fact that he is not a full sayin so his hair does change. Also he trains with piccolo and eventually wears only clothes resembling Piccolo's. Piccolo's clothes have many variations such as using the cape or not. wearing the neckpiece or not. Last, but not least is his Great Saiyaman costume. This fine work of art by Bulma shocks criminals rather the strikes fear into their hearts. Also Gohan sometimes wears his fathers fighting wear.
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Gokou:
Gokou rarely changes his appearance through out the series except for his clothing. Even his clothing doesn't change all that much. When he is a kid he is a short stumpy somewhat misshapen looking. Most people would think their would be a lot more to say about Gokou since he is the main character, but like I said before he doesn't change all the much. Now I am just rambling on to take up space.
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Vegeta
When Vegeta first appears he was wearing his fighting armor. He is most famous for this article of clothing then any other because their are so many different types of armors he wears.
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Future Trunks
Future Trunks's styles are few. This is due to the fact that he is only in the main DB timeline for a short while. He starts out with the weird mini jacket and gray pants then ends up wearing fighting armor. Other then that there isn't much else he wears.
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Trunks
Trunks like his future counter part doesn't change his clothes or looks very much. This might be due to the fact that we don't see much of him after the Buu saga. As a small child he wore a green fighting suit and an orange belt. Later on in life he wares the mini jacket and gray pants that his future counter part wares.
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Goten
Goten also doesn't change the way he looks. When he is a child he wares his father's uniform, but when he gets older he retains his father's uniform although it is different a little.
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Krillin
Since Krillin doesn't get very tall he adds an interesting aspect to the world of Dragonball. He first shows up in the series in the Orinji Temple uniform. By the end of DB he has grown a little and has lots of hair he wears tan pants and a red shirt. The dots on his head seem to just disappear.
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Piccolo
Piccolo doesn't change much at all. He wares a white cape, purple uniform and a turban. Not much else to see because like I said Piccolo doesn't change much.
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Tien
Tien doesn't change anything drastic about him. He doesn't grow any taller or any more eyes so all he can change is his clothing. He keeps the same pants through out the series, but changes his shirt if he is wearing one. Also near the end of the series he wares a cape.
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Yamcha
Yamcha's hairstyle changes more then anything. At first it is long then it is short then it is long again then it is pointy then it is a slight mix of all of his haircuts through out the ages. His clothes change a little, but not to often.
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Chow zu
Chow zu has the same clothes through out DB, but once in awhile he will do something different like add an overcoat type thing when he is out training with Tien. He doesn't grow or change in the respect of his physical form.
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King Kia
King Kia hasn't changed at all the entire time he has been one of the kias. He has probably been blue since before he became a kia. Those antennae are also a unique feature most beings do not have.
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Cell
Now here is a character worthy of this section. Cell doesn't ware any clothes so he has some cool stages. First he is a little scrawny thing then he becomes and upright being. Then when he absorbs Android 17 he becomes a huge muscle beast. After this when he absorbs Android 18 he gets a little smaller but tremendously stronger and faster.
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Videl
We only know Videl for a short while, but she does have three stages of appearance. First is an average height slightly muscular teenage girl. Her next phase is the same as the first, but she cuts her hair. The last stage is when she is grown married to Gohan and the mother of Pan. Her hair is short and curls down around her head.
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