- Jekyll1, Dr, the central character of Robert Louis Stevenson's story The Strange Case of Dr Jekyll and Mr Hyde (1886). He discovers a drug which creates a separate personality (appearing in the character of Mr Hyde) into which Jekyll's evil impulses are channelled.吉基尔博士（罗伯特·路易斯·史蒂文森小说《化身博士》中的中心人物, 他发现了一种产生双重性格的药物, 化身为海德先生, 从而使吉基尔本性中邪恶的一面引发出来）。
短语
a Jekyll and Hyde
- a person alternately displaying opposing good and evil personalities具有善恶两重人格的人, 两重性格交替出现的人。
- Jekyll2, Gertrude (1843-1932), English horticulturalist and garden designer. She designed over 300 gardens for buildings designed by Edwin Lutyens, promoting colour design in garden planning and 'wild' gardens.杰凯尔, 格特鲁德（1843-1932, 英国园艺家, 园林设计师, 她为埃德温·勒琴斯所设计的建筑设计了300多座花园, 提倡园林规划的色彩设计和“野外”园林）。