What are the comics character which start with the letter viper
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1114461 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'viper')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
comics character: Q1114461