Mark Taylor, the former Australian cricket captain, was known for his leadership skills and impressive batting abilities. Throughout his playing career, he acquired various nicknames that reflected his personality and playing style. However, one of the given options, "c) Helium Bat," was not among his nicknames.

Here, we will explore the other options and provide an explanation for each:

a) Tubby:
Mark Taylor's most famous and widely used nickname was "Tubby." This nickname was given to him due to his stocky build and solid physique. It became synonymous with his name and was used by commentators, fans, and teammates alike.

b) Stodge:
"Stodge" is another nickname associated with Mark Taylor. This term refers to a player who has a defensive batting style and focuses on blocking the ball rather than scoring runs quickly. The nickname was given to Taylor because of his reputation as a patient and resilient batsman who could spend long periods at the crease.

c) Helium Bat:
The option "c) Helium Bat" is incorrect. Mark Taylor was never referred to as the "Helium Bat." It is possible that this option was included to confuse or mislead the reader. Nonetheless, this nickname is not associated with Mark Taylor.

d) Stumpy:
"Stumpy" is another nickname that Mark Taylor acquired during his career. This nickname refers to his height and was given as a playful reference to his relatively shorter stature compared to some of his teammates and opponents.

In conclusion, Mark Taylor was never referred to as the "Helium Bat." This option is incorrect, and the other options, "Tubby," "Stodge," and "Stumpy," were all legitimate nicknames associated with his playing career.