Relicanth looks like this
http://3.bp.blogspot.com/_OVH5UC-R50w/R-bLTSYt0aI/AAAAAAAAAZc/aIdZ22fG1_Q/s320/Relicanth.png
No. You can't look like a Pokemon in Pokemon diamond. My brother has diamond and he can't look like a Pokemon.
no, he is a different game yet he does look like a pokemon!
Yes, the Thundstone from Pokemon looks like Emerald.
it looks like the pokemon is bursting lava out from its body.
Pokemon can look different and have different sizes. Since there are more than 500 Pokemon, you should be more specific.
Seviper
a whale
A crab.
Keldeo looks like this.
there are no new Pokemon in platinum exept origin giratina and shaymin skyform
they can look like this:? and many more no they can look like any thing but instead black
go to: http://www.anime.com/PokeMon/