The Garfield curve is the name sometimes given to the curve with polar equation
 |
when plotted from 
to 
(Sisson and Szarvas 2016) because
of its resemblance to the face of the cartoon character Garfield.
Garfield Curve
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References
Sisson, P. and Szarvas, T. Exercise 78 in Single Variable Calculus with Early Transcendentals. Mount Pleasant, SC: Hawkes Learning, p. 723, 2016.Cite this as:
Weisstein, Eric W. "Garfield Curve." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/GarfieldCurve.html