|The nondescript Venezuelan Poodle Moth The Flannel Moth pussy caterpillar, Megalopyge opercularis|
The answer may be that Capitol Hill time-servers seldom reject nominees who strongly resemble those in high office, which in President Trump's case, makes for a very short list/
It can only be extended beyond Alec Baldwin by turning to the biodiversity of tropical wetlands beyond the fever swamps of the Potomac.
Besides its uncanny phenotypic resemblence to Vice President Pence, the Venezuelan Poodle Moth is easily captured, as it is irresistably drawn to tiki torches. As is a MAGA hat-worthy Megalopygid called the Flannel Moth Pussy Caterpillar which is the spitting image of our Chief Executive's hair :
Both of these tropical species are marching North towards the District of Columbia in lock step with rising global temperatures, and may be expected to follow in the footsteps of the prickly pear cacti that colonized NewYork Harbor in the 1950's. Once there, they will soon be enfranchised to vote for Mayor de Blasio like all the other immigrants before them. It but remains for the Senate to prepare for that contingency by appointing these remarkable creatures as Acting Deputy Assistant Undersecretaries before their relatives arrive.