The general traits of the person are given below; the exact traits get modified based on the individual horoscope or kundli, the strength or weakness of moon (rashi or ascendant) and other planets.
Now moon or Chandra is considered to be a watery planet and person with moon(Chandra) in mars or mangal a hot and fiery planet makes the person have Round and red eyes. The person might eat a lot and also eating hot and light substances & less of grains. Typical to pitta nature created due to mars.
The person is an explorer and wants to look at new things, is energetic, could have fleshly knees, changes wealth. As mars gives courage- mentally and as well as physically he could be brave, loved by females (typical Martian characteristics), great worker & awful nails.
Mars or mangal makes person prone to accidents so there could be cut or scar in the head (Aries sign or mesha rashi is the head in the kala purusha- the mythical division of human body ruled by various sign), glad, leader among siblings. He or she may fear water as moon that is water is weakened in the mars sign.