Here is an online tool that analyses your blog and tells you who it thinks you are. Of me it says: 'giaklamata.blogspot.com writes like an old lady. Her style is personal and happy.' It reckons I'm between 66 and 100 years old.
I reckon it has the reading skills of a teenage air-head.
Typalyser is more successful. Spot on, in fact. Give it a go.