  We introduce a new class of hilltop and plateau potentials which can
successfully unify inflation and dark energy resulting in Quintessential
Inflation (QI). Interestingly these new potentials are related through an
inverse transformation. Namely, if $V(\phi) = V_0 \, v(\phi)$ is a plateau
potential then the inverse potential $V(\phi) = V_0 \,
\left[v(\phi)\right]^{-1}$ describes hilltop QI. A simple example is provided
by the KKLT-inspired potential $v(\phi) = \left\lbrack \frac{M^{2n} +
\phi^{2n}}{N^{2n} + \phi^{2n}}\right\rbrack \,$. When $M/N \ll 1$ this
potential describes plateau QI, while its inverse, $\left[v(\phi)\right]^{-1}$
describes hilltop QI. Other simple models of QI arise for the class of
potentials $V(\phi) \sim \exp\left\lbrack\mp f(\phi)\right\rbrack$, where the
$-$ ($+$) sign is associated with a plateau (hilltop). A key feature of this
new class of QI models is the near absence of small parameters which are
usually associated with the presence of dark energy. A forecast for the
gravitational wave background generated in these models is provided.
