Of his own work few, if any, examples have reached us; and those attributed with more or less probability to his hand are all representations of Buddhist divinities, showing a somewhat formal and conventional design, with a masterly calligraphic touch and perfect harmony of coloring.
The website Chinese Names illustrates this point by showing four distinct Chinese calligraphic styles for the word love.
Moronobu was a consummate artist, with all the delicacy and calligraphic force of the best of the Tosa masters, whom he undoubtedly strove to emulate in style; and his pictures are not only the most beautiful but also the most trustworthy records of the Fife of his time.
Jonny's handwriting was harder to read, tiny and tight, where Czerno's held a calligraphic flair.
The reason for the variations of the character is the different calligraphic styles used by artists and their individual interpretations.