Kanji is the japanese writing system which came from the chinese symbols. the Kanji tattoos become really popular in western countries nowadays, especially in southern USA. There are more than 50.000 symbols, with different meanings.
A freshly made kanji tattoo
Kanji Tattoo meanings
The kanji tattoos can fit your body nearly everywhere.
Kanji tattoos usually really minimalist with no decoration.
Lizard tattoos are a really rare tattoo designs. They can be a part of hawaiian or polynesian design.
The lizard carries a lot of symbolism, and cultural effects. You should take a look of these designs below, to find the best for your personality, I tried to choose really different designs (simple, colorfull, sketchy etc).
A colorful realistic lizard tattoo
Lizard of The Luck Tattoo
Not a really colorfull, but realistic
As lizards have many breeds, try to look over all, read about lizards, and lizard's life style.
Don't forget lizards not same as geckos (amateur tattooists often forget this fact)
Fantasy styled lizard tattoo design
My opinion is, lizards tattoos fit perfectly at your back, and your upper arm, forget your leg or any other body part.
The Koi Fish symbolize beauty and awe. The Koi well famous in eastern countries like Japan and China, not just as a food. Many aquarists favourite pet is the koi, because of it beautiful colors and unique beautifulness. Koi is called as a breathing jewel.
As you see a perfect koi tattoo is colorfull, takes you into a fantasy world.
Just a sketch of an koi fish tattoo design, from amardiyah.tumblr.com
As you see, these designs often contains flowers, and other signs of beauty.
An awesome koi fish tattoo desing by jlso9'
Not a common koi fish tattoo, just a really minimalist school of koi fish
A full back Koi Tattoo
Did you know that, the Japanese breed Koi Fish since the 1800s'. The koi have a really significant cultural value.
This is areally rare polynesian styled Koi Fish tattoo design.