Characters from two of television’s most popular shows — one present and one past — will headline this summer’s State College Spikes celebrity appearance schedule. Mountain Man from “Duck Dynasty” will make a return appearance to Medlar Field on July 26, while Alfonso Ribeiro (“Carlton” from Fresh Prince of Bel-Air) will meet and greet fans on June 29. The Spikes also announced a full array of special theme nights for the upcoming 2014 season, which opens June 14!