Some Useful tips from Dr. Na. Maghudeeswarran, Ph.D whoms master theories,
regularly telecasted every week, from the science of Graphology viz.,

Generally, as one's life style changes the writing style also undergoes change.
For example see Sachin Tendulkar ( Indian Cricket)

Illegible signature belong to the economically sound ones especially business
magnet and successful industrialists.

To avoid major problems never underscore or place dots under your illegible
signatures.

80% of those who had a naming underscore continuously to left and then turning right
(as illustrated) will give bad events in their personal life and their business.

Never sign at angle 15' (or ) 30' right up.