▁leading ▁military ▁figures ▁under ▁the ▁new ▁regime . ▁Despite ▁this , ▁he ▁was ▁widely ▁considered ▁ins ane ▁in ▁U g anda , ▁even ▁by ▁his ▁own ▁colle agues ▁in ▁the ▁military . ▁He ▁was ▁not orious ▁for ▁his ▁ecc ent ric , ▁" err atic " ▁and ▁excess ive ▁behavior , ▁including ▁extreme ▁brut ality . ▁According ▁to ▁George ▁Ivan ▁Smith , ▁But ab ika ▁believed ▁himself ▁to ▁be ▁a ▁" dem i - god " ▁as ▁the ▁government ▁allowed ▁him ▁to ▁kill ▁and ▁tort ure ▁at ▁will , ▁while ▁Peter ▁Jer emy ▁Allen ▁described ▁him ▁as ▁" mer cil ess ▁psych op ath ic ▁k iller " ▁of ▁" low ▁ment ality ". ▁Similarly , ▁business man ▁Gordon ▁W avam un no ▁had ▁a ▁very ▁negative ▁opinion ▁of ▁But ab ika , ▁and ▁regarded ▁him ▁as ▁one ▁of ▁those ▁who ▁" w ere ▁into xic ated ▁with ▁un limited ▁and ▁ir respons ible ▁power , ▁and ▁did ▁not ▁hes itate ▁to ▁ab use ▁it ▁at ▁the ▁slight est ▁opportunity ▁or ▁exc use ." ▁The ▁nick name ▁by ▁which ▁he ▁is ▁best ▁known ▁stem med ▁from ▁his ▁extreme ▁behavior : ▁" But ab ika " ▁is ▁the ▁name ▁of ▁a ▁prominent ▁psych iat ric ▁clin ic ▁near ▁K amp ala , ▁and ▁a ▁by word ▁for ▁people ▁with ▁a ▁mental ▁ill ness ▁in ▁U g anda . ▁ ▁Prom oted ▁to ▁lieutenant ▁colon el , ▁But ab ika ▁served ▁as ▁commander ▁of ▁" el ite " ▁units ▁that ▁were ▁regarded ▁as ▁especially ▁loyal