Billy the pygmy hippo
...that Billy the pygmy hippo was the pet of U.S. President Calvin Coolidge, outlived him by 23 years, and sired 18 children all named Gumdrop?
...that <b id="mwEQ4"><a href="./Billy_(pygmy_hippo)" id="mwEQ8" rel="mw:WikiLink" title="Billy (pygmy hippo)">Billy the pygmy hippo</a></b> was the pet of U.S. President <a href="./Calvin_Coolidge" id="mwERA" rel="mw:WikiLink" title="Calvin Coolidge">Calvin Coolidge</a>, outlived him by 23 years, and sired 18 children all named Gumdrop?